Home / 15,584,560.87-21,505,665.71-8,968,080.10

Finding the Fourth Proportional to 15,584,560.87, 21,505,665.71 and 8,968,080.10

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Solution

The fourth proportional to 15,584,560.87, 21,505,665.71 and 8,968,080.10 is: 12,375,358.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,584,560.87 : 21,505,665.71 = 8,968,080.10 : x
  2. Step 2: Convert to fraction form
    15,584,560.87/21,505,665.71 = 8,968,080.10/x
  3. Step 3: Cross multiply
    15,584,560.87x = 21,505,665.71 × 8,968,080.10
  4. Step 4: Simplify right side
    15,584,560.87x = 192,864,532,691,103.38
  5. Step 5: Solve for x
    x = 192,864,532,691,103.38/15,584,560.87
  6. Step 6: Final answer
    x = 12,375,358.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.