Home / 15,519,623.68-21,417,086.51-8,997,034.29

Finding the Fourth Proportional to 15,519,623.68, 21,417,086.51 and 8,997,034.29

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Solution

The fourth proportional to 15,519,623.68, 21,417,086.51 and 8,997,034.29 is: 12,415,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,519,623.68 : 21,417,086.51 = 8,997,034.29 : x
  2. Step 2: Convert to fraction form
    15,519,623.68/21,417,086.51 = 8,997,034.29/x
  3. Step 3: Cross multiply
    15,519,623.68x = 21,417,086.51 × 8,997,034.29
  4. Step 4: Simplify right side
    15,519,623.68x = 192,690,261,722,366.44
  5. Step 5: Solve for x
    x = 192,690,261,722,366.44/15,519,623.68
  6. Step 6: Final answer
    x = 12,415,910.70

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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.