Home / 12,482,744.40-18,711,214.20-6,790,942.80

Finding the Fourth Proportional to 12,482,744.40, 18,711,214.20 and 6,790,942.80

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Solution

The fourth proportional to 12,482,744.40, 18,711,214.20 and 6,790,942.80 is: 10,179,394.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,744.40 : 18,711,214.20 = 6,790,942.80 : x
  2. Step 2: Convert to fraction form
    12,482,744.40/18,711,214.20 = 6,790,942.80/x
  3. Step 3: Cross multiply
    12,482,744.40x = 18,711,214.20 × 6,790,942.80
  4. Step 4: Simplify right side
    12,482,744.40x = 127,066,785,350,747.75
  5. Step 5: Solve for x
    x = 127,066,785,350,747.75/12,482,744.40
  6. Step 6: Final answer
    x = 10,179,394.95

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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.