Home / 8,086,305.80-12,129,458.70-6,868,584.20

Finding the Fourth Proportional to 8,086,305.80, 12,129,458.70 and 6,868,584.20

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Solution

The fourth proportional to 8,086,305.80, 12,129,458.70 and 6,868,584.20 is: 10,302,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,086,305.80 : 12,129,458.70 = 6,868,584.20 : x
  2. Step 2: Convert to fraction form
    8,086,305.80/12,129,458.70 = 6,868,584.20/x
  3. Step 3: Cross multiply
    8,086,305.80x = 12,129,458.70 × 6,868,584.20
  4. Step 4: Simplify right side
    8,086,305.80x = 83,312,208,381,372.53
  5. Step 5: Solve for x
    x = 83,312,208,381,372.53/8,086,305.80
  6. Step 6: Final answer
    x = 10,302,876.30

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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.