Home / 15,855,929.52-21,882,997.94-8,888,488.90

Finding the Fourth Proportional to 15,855,929.52, 21,882,997.94 and 8,888,488.90

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Solution

The fourth proportional to 15,855,929.52, 21,882,997.94 and 8,888,488.90 is: 12,267,132.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,855,929.52 : 21,882,997.94 = 8,888,488.90 : x
  2. Step 2: Convert to fraction form
    15,855,929.52/21,882,997.94 = 8,888,488.90/x
  3. Step 3: Cross multiply
    15,855,929.52x = 21,882,997.94 × 8,888,488.90
  4. Step 4: Simplify right side
    15,855,929.52x = 194,506,784,189,262.94
  5. Step 5: Solve for x
    x = 194,506,784,189,262.94/15,855,929.52
  6. Step 6: Final answer
    x = 12,267,132.24

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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.