Home / 14,695,321.95-20,279,785.19-8,080,189.65

Finding the Fourth Proportional to 14,695,321.95, 20,279,785.19 and 8,080,189.65

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Solution

The fourth proportional to 14,695,321.95, 20,279,785.19 and 8,080,189.65 is: 11,150,794.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,695,321.95 : 20,279,785.19 = 8,080,189.65 : x
  2. Step 2: Convert to fraction form
    14,695,321.95/20,279,785.19 = 8,080,189.65/x
  3. Step 3: Cross multiply
    14,695,321.95x = 20,279,785.19 × 8,080,189.65
  4. Step 4: Simplify right side
    14,695,321.95x = 163,864,510,396,461.31
  5. Step 5: Solve for x
    x = 163,864,510,396,461.31/14,695,321.95
  6. Step 6: Final answer
    x = 11,150,794.17

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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.