Home / 12,418,891.82-17,138,233.02-6,837,787.43

Finding the Fourth Proportional to 12,418,891.82, 17,138,233.02 and 6,837,787.43

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Solution

The fourth proportional to 12,418,891.82, 17,138,233.02 and 6,837,787.43 is: 9,436,236.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418,891.82 : 17,138,233.02 = 6,837,787.43 : x
  2. Step 2: Convert to fraction form
    12,418,891.82/17,138,233.02 = 6,837,787.43/x
  3. Step 3: Cross multiply
    12,418,891.82x = 17,138,233.02 × 6,837,787.43
  4. Step 4: Simplify right side
    12,418,891.82x = 117,187,594,316,566.94
  5. Step 5: Solve for x
    x = 117,187,594,316,566.94/12,418,891.82
  6. Step 6: Final answer
    x = 9,436,236.02

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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.