Home / 19,443,134.40-29,164,701.60-15,663,998.40

Finding the Fourth Proportional to 19,443,134.40, 29,164,701.60 and 15,663,998.40

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Solution

The fourth proportional to 19,443,134.40, 29,164,701.60 and 15,663,998.40 is: 23,495,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,443,134.40 : 29,164,701.60 = 15,663,998.40 : x
  2. Step 2: Convert to fraction form
    19,443,134.40/29,164,701.60 = 15,663,998.40/x
  3. Step 3: Cross multiply
    19,443,134.40x = 29,164,701.60 × 15,663,998.40
  4. Step 4: Simplify right side
    19,443,134.40x = 456,835,839,198,877.50
  5. Step 5: Solve for x
    x = 456,835,839,198,877.50/19,443,134.40
  6. Step 6: Final answer
    x = 23,495,997.60

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.