Home / 7,074,655.97-9,761,832.25-3,976,770.47

Finding the Fourth Proportional to 7,074,655.97, 9,761,832.25 and 3,976,770.47

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Solution

The fourth proportional to 7,074,655.97, 9,761,832.25 and 3,976,770.47 is: 5,487,272.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,074,655.97 : 9,761,832.25 = 3,976,770.47 : x
  2. Step 2: Convert to fraction form
    7,074,655.97/9,761,832.25 = 3,976,770.47/x
  3. Step 3: Cross multiply
    7,074,655.97x = 9,761,832.25 × 3,976,770.47
  4. Step 4: Simplify right side
    7,074,655.97x = 38,820,566,166,142.57
  5. Step 5: Solve for x
    x = 38,820,566,166,142.57/7,074,655.97
  6. Step 6: Final answer
    x = 5,487,272.65

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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.