Home / 18,144,081.30-27,216,121.95-10,491,330.90

Finding the Fourth Proportional to 18,144,081.30, 27,216,121.95 and 10,491,330.90

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Solution

The fourth proportional to 18,144,081.30, 27,216,121.95 and 10,491,330.90 is: 15,736,996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,081.30 : 27,216,121.95 = 10,491,330.90 : x
  2. Step 2: Convert to fraction form
    18,144,081.30/27,216,121.95 = 10,491,330.90/x
  3. Step 3: Cross multiply
    18,144,081.30x = 27,216,121.95 × 10,491,330.90
  4. Step 4: Simplify right side
    18,144,081.30x = 285,533,341,192,203.25
  5. Step 5: Solve for x
    x = 285,533,341,192,203.25/18,144,081.30
  6. Step 6: Final answer
    x = 15,736,996.35

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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.