Home / 31,892,243.56-47,856,932.04-13,447,031.89

Finding the Fourth Proportional to 31,892,243.56, 47,856,932.04 and 13,447,031.89

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Solution

The fourth proportional to 31,892,243.56, 47,856,932.04 and 13,447,031.89 is: 20,178,376.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,892,243.56 : 47,856,932.04 = 13,447,031.89 : x
  2. Step 2: Convert to fraction form
    31,892,243.56/47,856,932.04 = 13,447,031.89/x
  3. Step 3: Cross multiply
    31,892,243.56x = 47,856,932.04 × 13,447,031.89
  4. Step 4: Simplify right side
    31,892,243.56x = 643,533,691,299,442.75
  5. Step 5: Solve for x
    x = 643,533,691,299,442.75/31,892,243.56
  6. Step 6: Final answer
    x = 20,178,376.29

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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.