Home / 18,755,710.40-28,133,565.60-17,495,998.40

Finding the Fourth Proportional to 18,755,710.40, 28,133,565.60 and 17,495,998.40

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Solution

The fourth proportional to 18,755,710.40, 28,133,565.60 and 17,495,998.40 is: 26,243,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,755,710.40 : 28,133,565.60 = 17,495,998.40 : x
  2. Step 2: Convert to fraction form
    18,755,710.40/28,133,565.60 = 17,495,998.40/x
  3. Step 3: Cross multiply
    18,755,710.40x = 28,133,565.60 × 17,495,998.40
  4. Step 4: Simplify right side
    18,755,710.40x = 492,224,818,723,895
  5. Step 5: Solve for x
    x = 492,224,818,723,895/18,755,710.40
  6. Step 6: Final answer
    x = 26,243,997.60

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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.