Home / 18,344,082.30-27,516,123.45-14,105,643.90

Finding the Fourth Proportional to 18,344,082.30, 27,516,123.45 and 14,105,643.90

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Solution

The fourth proportional to 18,344,082.30, 27,516,123.45 and 14,105,643.90 is: 21,158,465.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344,082.30 : 27,516,123.45 = 14,105,643.90 : x
  2. Step 2: Convert to fraction form
    18,344,082.30/27,516,123.45 = 14,105,643.90/x
  3. Step 3: Cross multiply
    18,344,082.30x = 27,516,123.45 × 14,105,643.90
  4. Step 4: Simplify right side
    18,344,082.30x = 388,132,638,894,139.44
  5. Step 5: Solve for x
    x = 388,132,638,894,139.44/18,344,082.30
  6. Step 6: Final answer
    x = 21,158,465.85

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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.