Home / 8,139,512.46-12,193,306.68-4,720,616.79

Finding the Fourth Proportional to 8,139,512.46, 12,193,306.68 and 4,720,616.79

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Solution

The fourth proportional to 8,139,512.46, 12,193,306.68 and 4,720,616.79 is: 7,071,667.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139,512.46 : 12,193,306.68 = 4,720,616.79 : x
  2. Step 2: Convert to fraction form
    8,139,512.46/12,193,306.68 = 4,720,616.79/x
  3. Step 3: Cross multiply
    8,139,512.46x = 12,193,306.68 × 4,720,616.79
  4. Step 4: Simplify right side
    8,139,512.46x = 57,559,928,239,227.16
  5. Step 5: Solve for x
    x = 57,559,928,239,227.16/8,139,512.46
  6. Step 6: Final answer
    x = 7,071,667.81

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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.