Home / 18,862,724.17-28,294,082.61-8,073,028.45

Finding the Fourth Proportional to 18,862,724.17, 28,294,082.61 and 8,073,028.45

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Solution

The fourth proportional to 18,862,724.17, 28,294,082.61 and 8,073,028.45 is: 12,109,541.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862,724.17 : 28,294,082.61 = 8,073,028.45 : x
  2. Step 2: Convert to fraction form
    18,862,724.17/28,294,082.61 = 8,073,028.45/x
  3. Step 3: Cross multiply
    18,862,724.17x = 28,294,082.61 × 8,073,028.45
  4. Step 4: Simplify right side
    18,862,724.17x = 228,418,933,877,180.25
  5. Step 5: Solve for x
    x = 228,418,933,877,180.25/18,862,724.17
  6. Step 6: Final answer
    x = 12,109,541.11

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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.