Home / 10,961,891.20-16,419,217.20-9,072,323.20

Finding the Fourth Proportional to 10,961,891.20, 16,419,217.20 and 9,072,323.20

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Solution

The fourth proportional to 10,961,891.20, 16,419,217.20 and 9,072,323.20 is: 13,588,936.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961,891.20 : 16,419,217.20 = 9,072,323.20 : x
  2. Step 2: Convert to fraction form
    10,961,891.20/16,419,217.20 = 9,072,323.20/x
  3. Step 3: Cross multiply
    10,961,891.20x = 16,419,217.20 × 9,072,323.20
  4. Step 4: Simplify right side
    10,961,891.20x = 148,960,445,129,399.03
  5. Step 5: Solve for x
    x = 148,960,445,129,399.03/10,961,891.20
  6. Step 6: Final answer
    x = 13,588,936.65

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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.