Home / 7,239,551.38-9,992,320.78-4,143,869.48

Finding the Fourth Proportional to 7,239,551.38, 9,992,320.78 and 4,143,869.48

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Solution

The fourth proportional to 7,239,551.38, 9,992,320.78 and 4,143,869.48 is: 5,719,535.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,551.38 : 9,992,320.78 = 4,143,869.48 : x
  2. Step 2: Convert to fraction form
    7,239,551.38/9,992,320.78 = 4,143,869.48/x
  3. Step 3: Cross multiply
    7,239,551.38x = 9,992,320.78 × 4,143,869.48
  4. Step 4: Simplify right side
    7,239,551.38x = 41,406,873,093,892.45
  5. Step 5: Solve for x
    x = 41,406,873,093,892.45/7,239,551.38
  6. Step 6: Final answer
    x = 5,719,535.78

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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.