Home / 13,028,010.10-19,542,015.15-8,996,931.70

Finding the Fourth Proportional to 13,028,010.10, 19,542,015.15 and 8,996,931.70

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Solution

The fourth proportional to 13,028,010.10, 19,542,015.15 and 8,996,931.70 is: 13,495,397.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028,010.10 : 19,542,015.15 = 8,996,931.70 : x
  2. Step 2: Convert to fraction form
    13,028,010.10/19,542,015.15 = 8,996,931.70/x
  3. Step 3: Cross multiply
    13,028,010.10x = 19,542,015.15 × 8,996,931.70
  4. Step 4: Simplify right side
    13,028,010.10x = 175,818,175,584,915.22
  5. Step 5: Solve for x
    x = 175,818,175,584,915.22/13,028,010.10
  6. Step 6: Final answer
    x = 13,495,397.55

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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.