Home / 8,207,999.80-12,311,999.70-5,468,126.20

Finding the Fourth Proportional to 8,207,999.80, 12,311,999.70 and 5,468,126.20

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Solution

The fourth proportional to 8,207,999.80, 12,311,999.70 and 5,468,126.20 is: 8,202,189.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207,999.80 : 12,311,999.70 = 5,468,126.20 : x
  2. Step 2: Convert to fraction form
    8,207,999.80/12,311,999.70 = 5,468,126.20/x
  3. Step 3: Cross multiply
    8,207,999.80x = 12,311,999.70 × 5,468,126.20
  4. Step 4: Simplify right side
    8,207,999.80x = 67,323,568,133,962.14
  5. Step 5: Solve for x
    x = 67,323,568,133,962.14/8,207,999.80
  6. Step 6: Final answer
    x = 8,202,189.30

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1.5x scale

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.