Home / 38,499,863.60-57,749,795.40-12,932,375.60

Finding the Fourth Proportional to 38,499,863.60, 57,749,795.40 and 12,932,375.60

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Solution

The fourth proportional to 38,499,863.60, 57,749,795.40 and 12,932,375.60 is: 19,398,563.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,499,863.60 : 57,749,795.40 = 12,932,375.60 : x
  2. Step 2: Convert to fraction form
    38,499,863.60/57,749,795.40 = 12,932,375.60/x
  3. Step 3: Cross multiply
    38,499,863.60x = 57,749,795.40 × 12,932,375.60
  4. Step 4: Simplify right side
    38,499,863.60x = 746,842,044,935,952.25
  5. Step 5: Solve for x
    x = 746,842,044,935,952.25/38,499,863.60
  6. Step 6: Final answer
    x = 19,398,563.40

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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.