Home / 27,779,113.80-38,337,531.17-15,393,092.44

Finding the Fourth Proportional to 27,779,113.80, 38,337,531.17 and 15,393,092.44

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Solution

The fourth proportional to 27,779,113.80, 38,337,531.17 and 15,393,092.44 is: 21,243,772.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,779,113.80 : 38,337,531.17 = 15,393,092.44 : x
  2. Step 2: Convert to fraction form
    27,779,113.80/38,337,531.17 = 15,393,092.44/x
  3. Step 3: Cross multiply
    27,779,113.80x = 38,337,531.17 × 15,393,092.44
  4. Step 4: Simplify right side
    27,779,113.80x = 590,133,161,307,596
  5. Step 5: Solve for x
    x = 590,133,161,307,596/27,779,113.80
  6. Step 6: Final answer
    x = 21,243,772.05

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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.