Home / 38,286,539.20-57,429,808.80-12,724,227.10

Finding the Fourth Proportional to 38,286,539.20, 57,429,808.80 and 12,724,227.10

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Solution

The fourth proportional to 38,286,539.20, 57,429,808.80 and 12,724,227.10 is: 19,086,340.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,286,539.20 : 57,429,808.80 = 12,724,227.10 : x
  2. Step 2: Convert to fraction form
    38,286,539.20/57,429,808.80 = 12,724,227.10/x
  3. Step 3: Cross multiply
    38,286,539.20x = 57,429,808.80 × 12,724,227.10
  4. Step 4: Simplify right side
    38,286,539.20x = 730,749,929,480,778.38
  5. Step 5: Solve for x
    x = 730,749,929,480,778.38/38,286,539.20
  6. Step 6: Final answer
    x = 19,086,340.65

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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.