Home / 7,780,793.40-11,662,895.70-2,986,630.20

Finding the Fourth Proportional to 7,780,793.40, 11,662,895.70 and 2,986,630.20

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Solution

The fourth proportional to 7,780,793.40, 11,662,895.70 and 2,986,630.20 is: 4,476,761.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780,793.40 : 11,662,895.70 = 2,986,630.20 : x
  2. Step 2: Convert to fraction form
    7,780,793.40/11,662,895.70 = 2,986,630.20/x
  3. Step 3: Cross multiply
    7,780,793.40x = 11,662,895.70 × 2,986,630.20
  4. Step 4: Simplify right side
    7,780,793.40x = 34,832,756,517,070.14
  5. Step 5: Solve for x
    x = 34,832,756,517,070.14/7,780,793.40
  6. Step 6: Final answer
    x = 4,476,761.52

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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.