Home / 42,609,693.60-63,914,540.40-13,856,767.20

Finding the Fourth Proportional to 42,609,693.60, 63,914,540.40 and 13,856,767.20

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Solution

The fourth proportional to 42,609,693.60, 63,914,540.40 and 13,856,767.20 is: 20,785,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,609,693.60 : 63,914,540.40 = 13,856,767.20 : x
  2. Step 2: Convert to fraction form
    42,609,693.60/63,914,540.40 = 13,856,767.20/x
  3. Step 3: Cross multiply
    42,609,693.60x = 63,914,540.40 × 13,856,767.20
  4. Step 4: Simplify right side
    42,609,693.60x = 885,648,907,017,794.75
  5. Step 5: Solve for x
    x = 885,648,907,017,794.75/42,609,693.60
  6. Step 6: Final answer
    x = 20,785,150.80

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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.