Home / 12,443,754.26-17,172,454.28-7,219,872.90

Finding the Fourth Proportional to 12,443,754.26, 17,172,454.28 and 7,219,872.90

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Solution

The fourth proportional to 12,443,754.26, 17,172,454.28 and 7,219,872.90 is: 9,963,467.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,443,754.26 : 17,172,454.28 = 7,219,872.90 : x
  2. Step 2: Convert to fraction form
    12,443,754.26/17,172,454.28 = 7,219,872.90/x
  3. Step 3: Cross multiply
    12,443,754.26x = 17,172,454.28 × 7,219,872.90
  4. Step 4: Simplify right side
    12,443,754.26x = 123,982,937,246,561.64
  5. Step 5: Solve for x
    x = 123,982,937,246,561.64/12,443,754.26
  6. Step 6: Final answer
    x = 9,963,467.19

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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.