Home / 11,816,031.87-17,716,961.12-5,418,269.55

Finding the Fourth Proportional to 11,816,031.87, 17,716,961.12 and 5,418,269.55

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Solution

The fourth proportional to 11,816,031.87, 17,716,961.12 and 5,418,269.55 is: 8,124,154.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816,031.87 : 17,716,961.12 = 5,418,269.55 : x
  2. Step 2: Convert to fraction form
    11,816,031.87/17,716,961.12 = 5,418,269.55/x
  3. Step 3: Cross multiply
    11,816,031.87x = 17,716,961.12 × 5,418,269.55
  4. Step 4: Simplify right side
    11,816,031.87x = 95,995,270,927,938.53
  5. Step 5: Solve for x
    x = 95,995,270,927,938.53/11,816,031.87
  6. Step 6: Final answer
    x = 8,124,154.71

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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.