Home / 15,344,143.20-21,174,813.42-8,468,625.24

Finding the Fourth Proportional to 15,344,143.20, 21,174,813.42 and 8,468,625.24

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Solution

The fourth proportional to 15,344,143.20, 21,174,813.42 and 8,468,625.24 is: 11,686,645.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,344,143.20 : 21,174,813.42 = 8,468,625.24 : x
  2. Step 2: Convert to fraction form
    15,344,143.20/21,174,813.42 = 8,468,625.24/x
  3. Step 3: Cross multiply
    15,344,143.20x = 21,174,813.42 × 8,468,625.24
  4. Step 4: Simplify right side
    15,344,143.20x = 179,321,559,380,902.75
  5. Step 5: Solve for x
    x = 179,321,559,380,902.75/15,344,143.20
  6. Step 6: Final answer
    x = 11,686,645.32

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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.