Home / 10,967,873.80-15,137,508.10-6,386,896.12

Finding the Fourth Proportional to 10,967,873.80, 15,137,508.10 and 6,386,896.12

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Solution

The fourth proportional to 10,967,873.80, 15,137,508.10 and 6,386,896.12 is: 8,814,989.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,967,873.80 : 15,137,508.10 = 6,386,896.12 : x
  2. Step 2: Convert to fraction form
    10,967,873.80/15,137,508.10 = 6,386,896.12/x
  3. Step 3: Cross multiply
    10,967,873.80x = 15,137,508.10 × 6,386,896.12
  4. Step 4: Simplify right side
    10,967,873.80x = 96,681,691,750,358.58
  5. Step 5: Solve for x
    x = 96,681,691,750,358.58/10,967,873.80
  6. Step 6: Final answer
    x = 8,814,989.44

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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.