Home / 12,376,689.22-18,565,008.31-6,982,891.12

Finding the Fourth Proportional to 12,376,689.22, 18,565,008.31 and 6,982,891.12

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Solution

The fourth proportional to 12,376,689.22, 18,565,008.31 and 6,982,891.12 is: 10,474,322.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376,689.22 : 18,565,008.31 = 6,982,891.12 : x
  2. Step 2: Convert to fraction form
    12,376,689.22/18,565,008.31 = 6,982,891.12/x
  3. Step 3: Cross multiply
    12,376,689.22x = 18,565,008.31 × 6,982,891.12
  4. Step 4: Simplify right side
    12,376,689.22x = 129,637,431,670,625.20
  5. Step 5: Solve for x
    x = 129,637,431,670,625.20/12,376,689.22
  6. Step 6: Final answer
    x = 10,474,322.28

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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.