Home / 8,257,712.46-11,399,785.05-5,161,957.86

Finding the Fourth Proportional to 8,257,712.46, 11,399,785.05 and 5,161,957.86

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Solution

The fourth proportional to 8,257,712.46, 11,399,785.05 and 5,161,957.86 is: 7,126,090.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257,712.46 : 11,399,785.05 = 5,161,957.86 : x
  2. Step 2: Convert to fraction form
    8,257,712.46/11,399,785.05 = 5,161,957.86/x
  3. Step 3: Cross multiply
    8,257,712.46x = 11,399,785.05 × 5,161,957.86
  4. Step 4: Simplify right side
    8,257,712.46x = 58,845,210,041,158
  5. Step 5: Solve for x
    x = 58,845,210,041,158/8,257,712.46
  6. Step 6: Final answer
    x = 7,126,090.95

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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.