Home / 7,073,687.55-9,761,742.78-3,933,995.16

Finding the Fourth Proportional to 7,073,687.55, 9,761,742.78 and 3,933,995.16

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Solution

The fourth proportional to 7,073,687.55, 9,761,742.78 and 3,933,995.16 is: 5,428,943.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,073,687.55 : 9,761,742.78 = 3,933,995.16 : x
  2. Step 2: Convert to fraction form
    7,073,687.55/9,761,742.78 = 3,933,995.16/x
  3. Step 3: Cross multiply
    7,073,687.55x = 9,761,742.78 × 3,933,995.16
  4. Step 4: Simplify right side
    7,073,687.55x = 38,402,648,849,684.95
  5. Step 5: Solve for x
    x = 38,402,648,849,684.95/7,073,687.55
  6. Step 6: Final answer
    x = 5,428,943.33

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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.