Home / 31,681,325.73-47,541,979.47-13,485,491.85

Finding the Fourth Proportional to 31,681,325.73, 47,541,979.47 and 13,485,491.85

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Solution

The fourth proportional to 31,681,325.73, 47,541,979.47 and 13,485,491.85 is: 20,236,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,681,325.73 : 47,541,979.47 = 13,485,491.85 : x
  2. Step 2: Convert to fraction form
    31,681,325.73/47,541,979.47 = 13,485,491.85/x
  3. Step 3: Cross multiply
    31,681,325.73x = 47,541,979.47 × 13,485,491.85
  4. Step 4: Simplify right side
    31,681,325.73x = 641,126,976,675,552.25
  5. Step 5: Solve for x
    x = 641,126,976,675,552.25/31,681,325.73
  6. Step 6: Final answer
    x = 20,236,747.10

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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.