Home / 7,458,412.80-11,187,619.20-3,414,892.80

Finding the Fourth Proportional to 7,458,412.80, 11,187,619.20 and 3,414,892.80

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Solution

The fourth proportional to 7,458,412.80, 11,187,619.20 and 3,414,892.80 is: 5,122,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458,412.80 : 11,187,619.20 = 3,414,892.80 : x
  2. Step 2: Convert to fraction form
    7,458,412.80/11,187,619.20 = 3,414,892.80/x
  3. Step 3: Cross multiply
    7,458,412.80x = 11,187,619.20 × 3,414,892.80
  4. Step 4: Simplify right side
    7,458,412.80x = 38,204,520,255,221.76
  5. Step 5: Solve for x
    x = 38,204,520,255,221.76/7,458,412.80
  6. Step 6: Final answer
    x = 5,122,339.20

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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.