Home / 12,482,074.80-18,681,640.20-9,060,634.80

Finding the Fourth Proportional to 12,482,074.80, 18,681,640.20 and 9,060,634.80

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Solution

The fourth proportional to 12,482,074.80, 18,681,640.20 and 9,060,634.80 is: 13,560,848.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,074.80 : 18,681,640.20 = 9,060,634.80 : x
  2. Step 2: Convert to fraction form
    12,482,074.80/18,681,640.20 = 9,060,634.80/x
  3. Step 3: Cross multiply
    12,482,074.80x = 18,681,640.20 × 9,060,634.80
  4. Step 4: Simplify right side
    12,482,074.80x = 169,267,519,317,198.97
  5. Step 5: Solve for x
    x = 169,267,519,317,198.97/12,482,074.80
  6. Step 6: Final answer
    x = 13,560,848.02

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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.