Home / 7,036,641.24-9,711,480.78-3,940,343.70

Finding the Fourth Proportional to 7,036,641.24, 9,711,480.78 and 3,940,343.70

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Solution

The fourth proportional to 7,036,641.24, 9,711,480.78 and 3,940,343.70 is: 5,438,187.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,036,641.24 : 9,711,480.78 = 3,940,343.70 : x
  2. Step 2: Convert to fraction form
    7,036,641.24/9,711,480.78 = 3,940,343.70/x
  3. Step 3: Cross multiply
    7,036,641.24x = 9,711,480.78 × 3,940,343.70
  4. Step 4: Simplify right side
    7,036,641.24x = 38,266,572,109,144.09
  5. Step 5: Solve for x
    x = 38,266,572,109,144.09/7,036,641.24
  6. Step 6: Final answer
    x = 5,438,187.17

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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.