Home / 47,549,149.47-71,273,944.31-19,898,909.04

Finding the Fourth Proportional to 47,549,149.47, 71,273,944.31 and 19,898,909.04

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Solution

The fourth proportional to 47,549,149.47, 71,273,944.31 and 19,898,909.04 is: 29,827,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,549,149.47 : 71,273,944.31 = 19,898,909.04 : x
  2. Step 2: Convert to fraction form
    47,549,149.47/71,273,944.31 = 19,898,909.04/x
  3. Step 3: Cross multiply
    47,549,149.47x = 71,273,944.31 × 19,898,909.04
  4. Step 4: Simplify right side
    47,549,149.47x = 1,418,273,734,856,946
  5. Step 5: Solve for x
    x = 1,418,273,734,856,946/47,549,149.47
  6. Step 6: Final answer
    x = 29,827,531.10

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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.