Home / 7,194,716.90-9,928,734.20-3,931,531.79

Finding the Fourth Proportional to 7,194,716.90, 9,928,734.20 and 3,931,531.79

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Solution

The fourth proportional to 7,194,716.90, 9,928,734.20 and 3,931,531.79 is: 5,425,527.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,194,716.90 : 9,928,734.20 = 3,931,531.79 : x
  2. Step 2: Convert to fraction form
    7,194,716.90/9,928,734.20 = 3,931,531.79/x
  3. Step 3: Cross multiply
    7,194,716.90x = 9,928,734.20 × 3,931,531.79
  4. Step 4: Simplify right side
    7,194,716.90x = 39,035,134,141,760.22
  5. Step 5: Solve for x
    x = 39,035,134,141,760.22/7,194,716.90
  6. Step 6: Final answer
    x = 5,425,527.46

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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.