Home / 8,129,597.40-11,218,988.30-4,458,481.92

Finding the Fourth Proportional to 8,129,597.40, 11,218,988.30 and 4,458,481.92

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Solution

The fourth proportional to 8,129,597.40, 11,218,988.30 and 4,458,481.92 is: 6,152,783.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,597.40 : 11,218,988.30 = 4,458,481.92 : x
  2. Step 2: Convert to fraction form
    8,129,597.40/11,218,988.30 = 4,458,481.92/x
  3. Step 3: Cross multiply
    8,129,597.40x = 11,218,988.30 × 4,458,481.92
  4. Step 4: Simplify right side
    8,129,597.40x = 50,019,656,473,949.12
  5. Step 5: Solve for x
    x = 50,019,656,473,949.12/8,129,597.40
  6. Step 6: Final answer
    x = 6,152,783.96

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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.