Home / 20,776,708.11-31,163,584.08-6,398,276.61

Finding the Fourth Proportional to 20,776,708.11, 31,163,584.08 and 6,398,276.61

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Solution

The fourth proportional to 20,776,708.11, 31,163,584.08 and 6,398,276.61 is: 9,596,959.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,776,708.11 : 31,163,584.08 = 6,398,276.61 : x
  2. Step 2: Convert to fraction form
    20,776,708.11/31,163,584.08 = 6,398,276.61/x
  3. Step 3: Cross multiply
    20,776,708.11x = 31,163,584.08 × 6,398,276.61
  4. Step 4: Simplify right side
    20,776,708.11x = 199,393,231,102,832.38
  5. Step 5: Solve for x
    x = 199,393,231,102,832.38/20,776,708.11
  6. Step 6: Final answer
    x = 9,596,959.73

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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.