Home / 25,566,035.20-38,299,286.40-15,438,572.80

Finding the Fourth Proportional to 25,566,035.20, 38,299,286.40 and 15,438,572.80

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Solution

The fourth proportional to 25,566,035.20, 38,299,286.40 and 15,438,572.80 is: 23,127,806.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,566,035.20 : 38,299,286.40 = 15,438,572.80 : x
  2. Step 2: Convert to fraction form
    25,566,035.20/38,299,286.40 = 15,438,572.80/x
  3. Step 3: Cross multiply
    25,566,035.20x = 38,299,286.40 × 15,438,572.80
  4. Step 4: Simplify right side
    25,566,035.20x = 591,286,321,274,449.88
  5. Step 5: Solve for x
    x = 591,286,321,274,449.88/25,566,035.20
  6. Step 6: Final answer
    x = 23,127,806.74

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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.