Home / 8,124,121.38-12,113,550.27-7,900,916.16

Finding the Fourth Proportional to 8,124,121.38, 12,113,550.27 and 7,900,916.16

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Solution

The fourth proportional to 8,124,121.38, 12,113,550.27 and 7,900,916.16 is: 11,780,737.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124,121.38 : 12,113,550.27 = 7,900,916.16 : x
  2. Step 2: Convert to fraction form
    8,124,121.38/12,113,550.27 = 7,900,916.16/x
  3. Step 3: Cross multiply
    8,124,121.38x = 12,113,550.27 × 7,900,916.16
  4. Step 4: Simplify right side
    8,124,121.38x = 95,708,145,083,215.36
  5. Step 5: Solve for x
    x = 95,708,145,083,215.36/8,124,121.38
  6. Step 6: Final answer
    x = 11,780,737.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.