Home / 15,344,175.28-21,174,857.52-8,468,657.20

Finding the Fourth Proportional to 15,344,175.28, 21,174,857.52 and 8,468,657.20

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Solution

The fourth proportional to 15,344,175.28, 21,174,857.52 and 8,468,657.20 is: 11,686,689.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,344,175.28 : 21,174,857.52 = 8,468,657.20 : x
  2. Step 2: Convert to fraction form
    15,344,175.28/21,174,857.52 = 8,468,657.20/x
  3. Step 3: Cross multiply
    15,344,175.28x = 21,174,857.52 × 8,468,657.20
  4. Step 4: Simplify right side
    15,344,175.28x = 179,322,609,595,722.12
  5. Step 5: Solve for x
    x = 179,322,609,595,722.12/15,344,175.28
  6. Step 6: Final answer
    x = 11,686,689.33

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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.