Home / 7,262,388.60-10,019,561.20-4,122,278.12

Finding the Fourth Proportional to 7,262,388.60, 10,019,561.20 and 4,122,278.12

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Solution

The fourth proportional to 7,262,388.60, 10,019,561.20 and 4,122,278.12 is: 5,687,304.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262,388.60 : 10,019,561.20 = 4,122,278.12 : x
  2. Step 2: Convert to fraction form
    7,262,388.60/10,019,561.20 = 4,122,278.12/x
  3. Step 3: Cross multiply
    7,262,388.60x = 10,019,561.20 × 4,122,278.12
  4. Step 4: Simplify right side
    7,262,388.60x = 41,303,417,944,691.97
  5. Step 5: Solve for x
    x = 41,303,417,944,691.97/7,262,388.60
  6. Step 6: Final answer
    x = 5,687,304.85

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1.5x scale

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.