Home / 27,755,427.12-38,306,497.32-15,992,442.30

Finding the Fourth Proportional to 27,755,427.12, 38,306,497.32 and 15,992,442.30

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Solution

The fourth proportional to 27,755,427.12, 38,306,497.32 and 15,992,442.30 is: 22,071,879.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,755,427.12 : 38,306,497.32 = 15,992,442.30 : x
  2. Step 2: Convert to fraction form
    27,755,427.12/38,306,497.32 = 15,992,442.30/x
  3. Step 3: Cross multiply
    27,755,427.12x = 38,306,497.32 × 15,992,442.30
  4. Step 4: Simplify right side
    27,755,427.12x = 612,614,448,105,204.62
  5. Step 5: Solve for x
    x = 612,614,448,105,204.62/27,755,427.12
  6. Step 6: Final answer
    x = 22,071,879.69

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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.