Home / 10,350,019.43-14,273,338.68-8,179,747.28

Finding the Fourth Proportional to 10,350,019.43, 14,273,338.68 and 8,179,747.28

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Solution

The fourth proportional to 10,350,019.43, 14,273,338.68 and 8,179,747.28 is: 11,280,394.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,350,019.43 : 14,273,338.68 = 8,179,747.28 : x
  2. Step 2: Convert to fraction form
    10,350,019.43/14,273,338.68 = 8,179,747.28/x
  3. Step 3: Cross multiply
    10,350,019.43x = 14,273,338.68 × 8,179,747.28
  4. Step 4: Simplify right side
    10,350,019.43x = 116,752,303,172,882.09
  5. Step 5: Solve for x
    x = 116,752,303,172,882.09/10,350,019.43
  6. Step 6: Final answer
    x = 11,280,394.59

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1.5x scale

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.