Home / 15,764,552.79-21,755,086.56-8,889,036.27

Finding the Fourth Proportional to 15,764,552.79, 21,755,086.56 and 8,889,036.27

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Solution

The fourth proportional to 15,764,552.79, 21,755,086.56 and 8,889,036.27 is: 12,266,872.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,764,552.79 : 21,755,086.56 = 8,889,036.27 : x
  2. Step 2: Convert to fraction form
    15,764,552.79/21,755,086.56 = 8,889,036.27/x
  3. Step 3: Cross multiply
    15,764,552.79x = 21,755,086.56 × 8,889,036.27
  4. Step 4: Simplify right side
    15,764,552.79x = 193,381,753,488,829.50
  5. Step 5: Solve for x
    x = 193,381,753,488,829.50/15,764,552.79
  6. Step 6: Final answer
    x = 12,266,872.14

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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.