Home / 15,855,928.97-21,882,997.13-8,888,488.34

Finding the Fourth Proportional to 15,855,928.97, 21,882,997.13 and 8,888,488.34

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Solution

The fourth proportional to 15,855,928.97, 21,882,997.13 and 8,888,488.34 is: 12,267,131.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,855,928.97 : 21,882,997.13 = 8,888,488.34 : x
  2. Step 2: Convert to fraction form
    15,855,928.97/21,882,997.13 = 8,888,488.34/x
  3. Step 3: Cross multiply
    15,855,928.97x = 21,882,997.13 × 8,888,488.34
  4. Step 4: Simplify right side
    15,855,928.97x = 194,506,764,680,401.06
  5. Step 5: Solve for x
    x = 194,506,764,680,401.06/15,855,928.97
  6. Step 6: Final answer
    x = 12,267,131.44

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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.