Home / 28,656,292.22-39,545,514.79-15,603,519.90

Finding the Fourth Proportional to 28,656,292.22, 39,545,514.79 and 15,603,519.90

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Solution

The fourth proportional to 28,656,292.22, 39,545,514.79 and 15,603,519.90 is: 21,532,765.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,656,292.22 : 39,545,514.79 = 15,603,519.90 : x
  2. Step 2: Convert to fraction form
    28,656,292.22/39,545,514.79 = 15,603,519.90/x
  3. Step 3: Cross multiply
    28,656,292.22x = 39,545,514.79 × 15,603,519.90
  4. Step 4: Simplify right side
    28,656,292.22x = 617,049,226,981,509.38
  5. Step 5: Solve for x
    x = 617,049,226,981,509.38/28,656,292.22
  6. Step 6: Final answer
    x = 21,532,765.73

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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.