Home / 5,155,380.47-7,114,427.79-2,832,422.73

Finding the Fourth Proportional to 5,155,380.47, 7,114,427.79 and 2,832,422.73

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Solution

The fourth proportional to 5,155,380.47, 7,114,427.79 and 2,832,422.73 is: 3,908,744.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155,380.47 : 7,114,427.79 = 2,832,422.73 : x
  2. Step 2: Convert to fraction form
    5,155,380.47/7,114,427.79 = 2,832,422.73/x
  3. Step 3: Cross multiply
    5,155,380.47x = 7,114,427.79 × 2,832,422.73
  4. Step 4: Simplify right side
    5,155,380.47x = 20,151,067,001,990.01
  5. Step 5: Solve for x
    x = 20,151,067,001,990.01/5,155,380.47
  6. Step 6: Final answer
    x = 3,908,744.88

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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.