Home / 8,400,148.38-12,610,856.70-5,153,708.16

Finding the Fourth Proportional to 8,400,148.38, 12,610,856.70 and 5,153,708.16

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Solution

The fourth proportional to 8,400,148.38, 12,610,856.70 and 5,153,708.16 is: 7,737,086.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400,148.38 : 12,610,856.70 = 5,153,708.16 : x
  2. Step 2: Convert to fraction form
    8,400,148.38/12,610,856.70 = 5,153,708.16/x
  3. Step 3: Cross multiply
    8,400,148.38x = 12,610,856.70 × 5,153,708.16
  4. Step 4: Simplify right side
    8,400,148.38x = 64,992,675,079,380.67
  5. Step 5: Solve for x
    x = 64,992,675,079,380.67/8,400,148.38
  6. Step 6: Final answer
    x = 7,737,086.55

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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.