Home / 8,181,785-12,274,449.06-3,133,095.68

Finding the Fourth Proportional to 8,181,785, 12,274,449.06 and 3,133,095.68

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Solution

The fourth proportional to 8,181,785, 12,274,449.06 and 3,133,095.68 is: 4,700,321.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181,785 : 12,274,449.06 = 3,133,095.68 : x
  2. Step 2: Convert to fraction form
    8,181,785/12,274,449.06 = 3,133,095.68/x
  3. Step 3: Cross multiply
    8,181,785x = 12,274,449.06 × 3,133,095.68
  4. Step 4: Simplify right side
    8,181,785x = 38,457,023,324,266.06
  5. Step 5: Solve for x
    x = 38,457,023,324,266.06/8,181,785
  6. Step 6: Final answer
    x = 4,700,321.91

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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.