Home / 18,145,266.30-27,217,899.45-10,492,515.90

Finding the Fourth Proportional to 18,145,266.30, 27,217,899.45 and 10,492,515.90

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Solution

The fourth proportional to 18,145,266.30, 27,217,899.45 and 10,492,515.90 is: 15,738,773.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,266.30 : 27,217,899.45 = 10,492,515.90 : x
  2. Step 2: Convert to fraction form
    18,145,266.30/27,217,899.45 = 10,492,515.90/x
  3. Step 3: Cross multiply
    18,145,266.30x = 27,217,899.45 × 10,492,515.90
  4. Step 4: Simplify right side
    18,145,266.30x = 285,584,242,743,726.25
  5. Step 5: Solve for x
    x = 285,584,242,743,726.25/18,145,266.30
  6. Step 6: Final answer
    x = 15,738,773.85

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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.