Home / 7,739,390.80-11,609,086.20-1,982,113.30

Finding the Fourth Proportional to 7,739,390.80, 11,609,086.20 and 1,982,113.30

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Solution

The fourth proportional to 7,739,390.80, 11,609,086.20 and 1,982,113.30 is: 2,973,169.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739,390.80 : 11,609,086.20 = 1,982,113.30 : x
  2. Step 2: Convert to fraction form
    7,739,390.80/11,609,086.20 = 1,982,113.30/x
  3. Step 3: Cross multiply
    7,739,390.80x = 11,609,086.20 × 1,982,113.30
  4. Step 4: Simplify right side
    7,739,390.80x = 23,010,524,157,866.46
  5. Step 5: Solve for x
    x = 23,010,524,157,866.46/7,739,390.80
  6. Step 6: Final answer
    x = 2,973,169.95

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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.