Home / 8,189,191.28-12,283,343.96-2,509,432

Finding the Fourth Proportional to 8,189,191.28, 12,283,343.96 and 2,509,432

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Solution

The fourth proportional to 8,189,191.28, 12,283,343.96 and 2,509,432 is: 3,764,012.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189,191.28 : 12,283,343.96 = 2,509,432 : x
  2. Step 2: Convert to fraction form
    8,189,191.28/12,283,343.96 = 2,509,432/x
  3. Step 3: Cross multiply
    8,189,191.28x = 12,283,343.96 × 2,509,432
  4. Step 4: Simplify right side
    8,189,191.28x = 30,824,216,400,230.72
  5. Step 5: Solve for x
    x = 30,824,216,400,230.72/8,189,191.28
  6. Step 6: Final answer
    x = 3,764,012.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.