Home / 8,145,229.20-12,207,346.20-6,242,539.20

Finding the Fourth Proportional to 8,145,229.20, 12,207,346.20 and 6,242,539.20

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Solution

The fourth proportional to 8,145,229.20, 12,207,346.20 and 6,242,539.20 is: 9,355,763.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145,229.20 : 12,207,346.20 = 6,242,539.20 : x
  2. Step 2: Convert to fraction form
    8,145,229.20/12,207,346.20 = 6,242,539.20/x
  3. Step 3: Cross multiply
    8,145,229.20x = 12,207,346.20 × 6,242,539.20
  4. Step 4: Simplify right side
    8,145,229.20x = 76,204,837,181,471.03
  5. Step 5: Solve for x
    x = 76,204,837,181,471.03/8,145,229.20
  6. Step 6: Final answer
    x = 9,355,763.39

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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.