Home / 28,476,295.68-39,297,049.92-15,423,251.52

Finding the Fourth Proportional to 28,476,295.68, 39,297,049.92 and 15,423,251.52

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Solution

The fourth proportional to 28,476,295.68, 39,297,049.92 and 15,423,251.52 is: 21,283,958.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,476,295.68 : 39,297,049.92 = 15,423,251.52 : x
  2. Step 2: Convert to fraction form
    28,476,295.68/39,297,049.92 = 15,423,251.52/x
  3. Step 3: Cross multiply
    28,476,295.68x = 39,297,049.92 × 15,423,251.52
  4. Step 4: Simplify right side
    28,476,295.68x = 606,088,284,910,155.88
  5. Step 5: Solve for x
    x = 606,088,284,910,155.88/28,476,295.68
  6. Step 6: Final answer
    x = 21,283,958.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.