Home / 42,629,672.52-63,952,397.10-13,490,845.20

Finding the Fourth Proportional to 42,629,672.52, 63,952,397.10 and 13,490,845.20

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Solution

The fourth proportional to 42,629,672.52, 63,952,397.10 and 13,490,845.20 is: 20,238,764.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,629,672.52 : 63,952,397.10 = 13,490,845.20 : x
  2. Step 2: Convert to fraction form
    42,629,672.52/63,952,397.10 = 13,490,845.20/x
  3. Step 3: Cross multiply
    42,629,672.52x = 63,952,397.10 × 13,490,845.20
  4. Step 4: Simplify right side
    42,629,672.52x = 862,771,889,445,028.88
  5. Step 5: Solve for x
    x = 862,771,889,445,028.88/42,629,672.52
  6. Step 6: Final answer
    x = 20,238,764.19

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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.