Home / 8,368,428.30-12,546,737.55-3,821,655.30

Finding the Fourth Proportional to 8,368,428.30, 12,546,737.55 and 3,821,655.30

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Solution

The fourth proportional to 8,368,428.30, 12,546,737.55 and 3,821,655.30 is: 5,729,786.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368,428.30 : 12,546,737.55 = 3,821,655.30 : x
  2. Step 2: Convert to fraction form
    8,368,428.30/12,546,737.55 = 3,821,655.30/x
  3. Step 3: Cross multiply
    8,368,428.30x = 12,546,737.55 × 3,821,655.30
  4. Step 4: Simplify right side
    8,368,428.30x = 47,949,306,055,666.52
  5. Step 5: Solve for x
    x = 47,949,306,055,666.52/8,368,428.30
  6. Step 6: Final answer
    x = 5,729,786.33

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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.