Home / 15,623,514.48-21,560,797.24-8,917,711.72

Finding the Fourth Proportional to 15,623,514.48, 21,560,797.24 and 8,917,711.72

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Solution

The fourth proportional to 15,623,514.48, 21,560,797.24 and 8,917,711.72 is: 12,306,640.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,623,514.48 : 21,560,797.24 = 8,917,711.72 : x
  2. Step 2: Convert to fraction form
    15,623,514.48/21,560,797.24 = 8,917,711.72/x
  3. Step 3: Cross multiply
    15,623,514.48x = 21,560,797.24 × 8,917,711.72
  4. Step 4: Simplify right side
    15,623,514.48x = 192,272,974,239,691.66
  5. Step 5: Solve for x
    x = 192,272,974,239,691.66/15,623,514.48
  6. Step 6: Final answer
    x = 12,306,640.38

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1.5x scale

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.