Home / 18,755,967.28-28,133,643.84-5,976,299.20

Finding the Fourth Proportional to 18,755,967.28, 28,133,643.84 and 5,976,299.20

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Solution

The fourth proportional to 18,755,967.28, 28,133,643.84 and 5,976,299.20 is: 8,964,350.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,755,967.28 : 28,133,643.84 = 5,976,299.20 : x
  2. Step 2: Convert to fraction form
    18,755,967.28/28,133,643.84 = 5,976,299.20/x
  3. Step 3: Cross multiply
    18,755,967.28x = 28,133,643.84 × 5,976,299.20
  4. Step 4: Simplify right side
    18,755,967.28x = 168,135,073,174,076.94
  5. Step 5: Solve for x
    x = 168,135,073,174,076.94/18,755,967.28
  6. Step 6: Final answer
    x = 8,964,350.95

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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.