Home / 10,332,628.32-15,508,519.20-5,218,649.64

Finding the Fourth Proportional to 10,332,628.32, 15,508,519.20 and 5,218,649.64

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Solution

The fourth proportional to 10,332,628.32, 15,508,519.20 and 5,218,649.64 is: 7,832,811.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,332,628.32 : 15,508,519.20 = 5,218,649.64 : x
  2. Step 2: Convert to fraction form
    10,332,628.32/15,508,519.20 = 5,218,649.64/x
  3. Step 3: Cross multiply
    10,332,628.32x = 15,508,519.20 × 5,218,649.64
  4. Step 4: Simplify right side
    10,332,628.32x = 80,933,528,140,013.08
  5. Step 5: Solve for x
    x = 80,933,528,140,013.08/10,332,628.32
  6. Step 6: Final answer
    x = 7,832,811.33

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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.