Home / 21,335,251.61-31,989,917.77-8,365,864.73

Finding the Fourth Proportional to 21,335,251.61, 31,989,917.77 and 8,365,864.73

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Solution

The fourth proportional to 21,335,251.61, 31,989,917.77 and 8,365,864.73 is: 12,543,715.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335,251.61 : 31,989,917.77 = 8,365,864.73 : x
  2. Step 2: Convert to fraction form
    21,335,251.61/31,989,917.77 = 8,365,864.73/x
  3. Step 3: Cross multiply
    21,335,251.61x = 31,989,917.77 × 8,365,864.73
  4. Step 4: Simplify right side
    21,335,251.61x = 267,623,324,606,778.97
  5. Step 5: Solve for x
    x = 267,623,324,606,778.97/21,335,251.61
  6. Step 6: Final answer
    x = 12,543,715.42

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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.