Home / 12,230,990.18-16,878,777.27-6,724,458.71

Finding the Fourth Proportional to 12,230,990.18, 16,878,777.27 and 6,724,458.71

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Solution

The fourth proportional to 12,230,990.18, 16,878,777.27 and 6,724,458.71 is: 9,279,758.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230,990.18 : 16,878,777.27 = 6,724,458.71 : x
  2. Step 2: Convert to fraction form
    12,230,990.18/16,878,777.27 = 6,724,458.71/x
  3. Step 3: Cross multiply
    12,230,990.18x = 16,878,777.27 × 6,724,458.71
  4. Step 4: Simplify right side
    12,230,990.18x = 113,500,640,781,086.33
  5. Step 5: Solve for x
    x = 113,500,640,781,086.33/12,230,990.18
  6. Step 6: Final answer
    x = 9,279,758.97

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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.