Home / 31,681,331.98-47,541,988.85-13,485,498.10

Finding the Fourth Proportional to 31,681,331.98, 47,541,988.85 and 13,485,498.10

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Solution

The fourth proportional to 31,681,331.98, 47,541,988.85 and 13,485,498.10 is: 20,236,756.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,681,331.98 : 47,541,988.85 = 13,485,498.10 : x
  2. Step 2: Convert to fraction form
    31,681,331.98/47,541,988.85 = 13,485,498.10/x
  3. Step 3: Cross multiply
    31,681,331.98x = 47,541,988.85 × 13,485,498.10
  4. Step 4: Simplify right side
    31,681,331.98x = 641,127,400,306,896.12
  5. Step 5: Solve for x
    x = 641,127,400,306,896.12/31,681,331.98
  6. Step 6: Final answer
    x = 20,236,756.48

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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.