Home / 31,892,248.56-47,856,939.54-13,447,036.88

Finding the Fourth Proportional to 31,892,248.56, 47,856,939.54 and 13,447,036.88

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Solution

The fourth proportional to 31,892,248.56, 47,856,939.54 and 13,447,036.88 is: 20,178,383.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,892,248.56 : 47,856,939.54 = 13,447,036.88 : x
  2. Step 2: Convert to fraction form
    31,892,248.56/47,856,939.54 = 13,447,036.88/x
  3. Step 3: Cross multiply
    31,892,248.56x = 47,856,939.54 × 13,447,036.88
  4. Step 4: Simplify right side
    31,892,248.56x = 643,534,030,958,310.25
  5. Step 5: Solve for x
    x = 643,534,030,958,310.25/31,892,248.56
  6. Step 6: Final answer
    x = 20,178,383.78

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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.