Home / 8,250,429.15-12,380,072.40-3,458,602.80

Finding the Fourth Proportional to 8,250,429.15, 12,380,072.40 and 3,458,602.80

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Solution

The fourth proportional to 8,250,429.15, 12,380,072.40 and 3,458,602.80 is: 5,189,760.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250,429.15 : 12,380,072.40 = 3,458,602.80 : x
  2. Step 2: Convert to fraction form
    8,250,429.15/12,380,072.40 = 3,458,602.80/x
  3. Step 3: Cross multiply
    8,250,429.15x = 12,380,072.40 × 3,458,602.80
  4. Step 4: Simplify right side
    8,250,429.15x = 42,817,753,066,842.72
  5. Step 5: Solve for x
    x = 42,817,753,066,842.72/8,250,429.15
  6. Step 6: Final answer
    x = 5,189,760.71

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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.