Home / 18,758,715.30-28,096,082.55-11,200,443.30

Finding the Fourth Proportional to 18,758,715.30, 28,096,082.55 and 11,200,443.30

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Solution

The fourth proportional to 18,758,715.30, 28,096,082.55 and 11,200,443.30 is: 16,775,593.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,758,715.30 : 28,096,082.55 = 11,200,443.30 : x
  2. Step 2: Convert to fraction form
    18,758,715.30/28,096,082.55 = 11,200,443.30/x
  3. Step 3: Cross multiply
    18,758,715.30x = 28,096,082.55 × 11,200,443.30
  4. Step 4: Simplify right side
    18,758,715.30x = 314,688,579,553,394.44
  5. Step 5: Solve for x
    x = 314,688,579,553,394.44/18,758,715.30
  6. Step 6: Final answer
    x = 16,775,593.35

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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.