Home / 31,681,327.73-47,541,982.47-13,485,493.85

Finding the Fourth Proportional to 31,681,327.73, 47,541,982.47 and 13,485,493.85

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Solution

The fourth proportional to 31,681,327.73, 47,541,982.47 and 13,485,493.85 is: 20,236,750.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,681,327.73 : 47,541,982.47 = 13,485,493.85 : x
  2. Step 2: Convert to fraction form
    31,681,327.73/47,541,982.47 = 13,485,493.85/x
  3. Step 3: Cross multiply
    31,681,327.73x = 47,541,982.47 × 13,485,493.85
  4. Step 4: Simplify right side
    31,681,327.73x = 641,127,112,215,992.75
  5. Step 5: Solve for x
    x = 641,127,112,215,992.75/31,681,327.73
  6. Step 6: Final answer
    x = 20,236,750.10

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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.