Home / 25,488,248.40-38,218,199.22-8,439,621.12

Finding the Fourth Proportional to 25,488,248.40, 38,218,199.22 and 8,439,621.12

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Solution

The fourth proportional to 25,488,248.40, 38,218,199.22 and 8,439,621.12 is: 12,654,738.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,488,248.40 : 38,218,199.22 = 8,439,621.12 : x
  2. Step 2: Convert to fraction form
    25,488,248.40/38,218,199.22 = 8,439,621.12/x
  3. Step 3: Cross multiply
    25,488,248.40x = 38,218,199.22 × 8,439,621.12
  4. Step 4: Simplify right side
    25,488,248.40x = 322,547,121,305,479.50
  5. Step 5: Solve for x
    x = 322,547,121,305,479.50/25,488,248.40
  6. Step 6: Final answer
    x = 12,654,738.62

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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.