Home / 19,860,445.59-27,419,642.49-15,747,092.25

Finding the Fourth Proportional to 19,860,445.59, 27,419,642.49 and 15,747,092.25

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Solution

The fourth proportional to 19,860,445.59, 27,419,642.49 and 15,747,092.25 is: 21,740,682.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860,445.59 : 27,419,642.49 = 15,747,092.25 : x
  2. Step 2: Convert to fraction form
    19,860,445.59/27,419,642.49 = 15,747,092.25/x
  3. Step 3: Cross multiply
    19,860,445.59x = 27,419,642.49 × 15,747,092.25
  4. Step 4: Simplify right side
    19,860,445.59x = 431,779,639,752,049.69
  5. Step 5: Solve for x
    x = 431,779,639,752,049.69/19,860,445.59
  6. Step 6: Final answer
    x = 21,740,682.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.