Home / 11,555,081.87-15,945,818.10-6,398,332.70

Finding the Fourth Proportional to 11,555,081.87, 15,945,818.10 and 6,398,332.70

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Solution

The fourth proportional to 11,555,081.87, 15,945,818.10 and 6,398,332.70 is: 8,829,591.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555,081.87 : 15,945,818.10 = 6,398,332.70 : x
  2. Step 2: Convert to fraction form
    11,555,081.87/15,945,818.10 = 6,398,332.70/x
  3. Step 3: Cross multiply
    11,555,081.87x = 15,945,818.10 × 6,398,332.70
  4. Step 4: Simplify right side
    11,555,081.87x = 102,026,649,377,481.88
  5. Step 5: Solve for x
    x = 102,026,649,377,481.88/11,555,081.87
  6. Step 6: Final answer
    x = 8,829,591.22

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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.