Home / 6,988,511.88-9,644,126.64-3,932,726.10

Finding the Fourth Proportional to 6,988,511.88, 9,644,126.64 and 3,932,726.10

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Solution

The fourth proportional to 6,988,511.88, 9,644,126.64 and 3,932,726.10 is: 5,427,150.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988,511.88 : 9,644,126.64 = 3,932,726.10 : x
  2. Step 2: Convert to fraction form
    6,988,511.88/9,644,126.64 = 3,932,726.10/x
  3. Step 3: Cross multiply
    6,988,511.88x = 9,644,126.64 × 3,932,726.10
  4. Step 4: Simplify right side
    6,988,511.88x = 37,927,708,548,833.30
  5. Step 5: Solve for x
    x = 37,927,708,548,833.30/6,988,511.88
  6. Step 6: Final answer
    x = 5,427,150.90

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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.