Home / 8,870,531.20-13,305,796.80-3,821,841.70

Finding the Fourth Proportional to 8,870,531.20, 13,305,796.80 and 3,821,841.70

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Solution

The fourth proportional to 8,870,531.20, 13,305,796.80 and 3,821,841.70 is: 5,732,762.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870,531.20 : 13,305,796.80 = 3,821,841.70 : x
  2. Step 2: Convert to fraction form
    8,870,531.20/13,305,796.80 = 3,821,841.70/x
  3. Step 3: Cross multiply
    8,870,531.20x = 13,305,796.80 × 3,821,841.70
  4. Step 4: Simplify right side
    8,870,531.20x = 50,852,649,061,966.56
  5. Step 5: Solve for x
    x = 50,852,649,061,966.56/8,870,531.20
  6. Step 6: Final answer
    x = 5,732,762.55

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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.