Home / 15,815,384.16-23,695,987.68-8,631,954.24

Finding the Fourth Proportional to 15,815,384.16, 23,695,987.68 and 8,631,954.24

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Solution

The fourth proportional to 15,815,384.16, 23,695,987.68 and 8,631,954.24 is: 12,933,146.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815,384.16 : 23,695,987.68 = 8,631,954.24 : x
  2. Step 2: Convert to fraction form
    15,815,384.16/23,695,987.68 = 8,631,954.24/x
  3. Step 3: Cross multiply
    15,815,384.16x = 23,695,987.68 × 8,631,954.24
  4. Step 4: Simplify right side
    15,815,384.16x = 204,542,681,325,363.78
  5. Step 5: Solve for x
    x = 204,542,681,325,363.78/15,815,384.16
  6. Step 6: Final answer
    x = 12,933,146.57

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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.