Home / 10,870,180.20-16,286,607.90-5,178,148.20

Finding the Fourth Proportional to 10,870,180.20, 16,286,607.90 and 5,178,148.20

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Solution

The fourth proportional to 10,870,180.20, 16,286,607.90 and 5,178,148.20 is: 7,758,332.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,870,180.20 : 16,286,607.90 = 5,178,148.20 : x
  2. Step 2: Convert to fraction form
    10,870,180.20/16,286,607.90 = 5,178,148.20/x
  3. Step 3: Cross multiply
    10,870,180.20x = 16,286,607.90 × 5,178,148.20
  4. Step 4: Simplify right side
    10,870,180.20x = 84,334,469,381,490.78
  5. Step 5: Solve for x
    x = 84,334,469,381,490.78/10,870,180.20
  6. Step 6: Final answer
    x = 7,758,332.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.