Home / 40,564,677.38-55,979,449.68-21,979,812.60

Finding the Fourth Proportional to 40,564,677.38, 55,979,449.68 and 21,979,812.60

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Solution

The fourth proportional to 40,564,677.38, 55,979,449.68 and 21,979,812.60 is: 30,332,247.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,564,677.38 : 55,979,449.68 = 21,979,812.60 : x
  2. Step 2: Convert to fraction form
    40,564,677.38/55,979,449.68 = 21,979,812.60/x
  3. Step 3: Cross multiply
    40,564,677.38x = 55,979,449.68 × 21,979,812.60
  4. Step 4: Simplify right side
    40,564,677.38x = 1,230,417,813,417,530
  5. Step 5: Solve for x
    x = 1,230,417,813,417,530/40,564,677.38
  6. Step 6: Final answer
    x = 30,332,247.00

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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.