Home / 18,233,770.80-25,172,681.40-12,131,166

Finding the Fourth Proportional to 18,233,770.80, 25,172,681.40 and 12,131,166

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Solution

The fourth proportional to 18,233,770.80, 25,172,681.40 and 12,131,166 is: 16,747,713.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,233,770.80 : 25,172,681.40 = 12,131,166 : x
  2. Step 2: Convert to fraction form
    18,233,770.80/25,172,681.40 = 12,131,166/x
  3. Step 3: Cross multiply
    18,233,770.80x = 25,172,681.40 × 12,131,166
  4. Step 4: Simplify right side
    18,233,770.80x = 305,373,976,728,512.38
  5. Step 5: Solve for x
    x = 305,373,976,728,512.38/18,233,770.80
  6. Step 6: Final answer
    x = 16,747,713.90

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1.5x scale

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.