Home / 25,488,261.15-38,218,218.33-8,439,633.87

Finding the Fourth Proportional to 25,488,261.15, 38,218,218.33 and 8,439,633.87

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Solution

The fourth proportional to 25,488,261.15, 38,218,218.33 and 8,439,633.87 is: 12,654,757.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,488,261.15 : 38,218,218.33 = 8,439,633.87 : x
  2. Step 2: Convert to fraction form
    25,488,261.15/38,218,218.33 = 8,439,633.87/x
  3. Step 3: Cross multiply
    25,488,261.15x = 38,218,218.33 × 8,439,633.87
  4. Step 4: Simplify right side
    25,488,261.15x = 322,547,769,868,922.81
  5. Step 5: Solve for x
    x = 322,547,769,868,922.81/25,488,261.15
  6. Step 6: Final answer
    x = 12,654,757.73

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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.