Home / 8,870,228-12,240,912.60-5,002,740.84

Finding the Fourth Proportional to 8,870,228, 12,240,912.60 and 5,002,740.84

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Solution

The fourth proportional to 8,870,228, 12,240,912.60 and 5,002,740.84 is: 6,903,781.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870,228 : 12,240,912.60 = 5,002,740.84 : x
  2. Step 2: Convert to fraction form
    8,870,228/12,240,912.60 = 5,002,740.84/x
  3. Step 3: Cross multiply
    8,870,228x = 12,240,912.60 × 5,002,740.84
  4. Step 4: Simplify right side
    8,870,228x = 61,238,113,382,890.58
  5. Step 5: Solve for x
    x = 61,238,113,382,890.58/8,870,228
  6. Step 6: Final answer
    x = 6,903,781.21

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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.