Home / 7,815,419.55-11,702,939.09-5,394,046.59

Finding the Fourth Proportional to 7,815,419.55, 11,702,939.09 and 5,394,046.59

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Solution

The fourth proportional to 7,815,419.55, 11,702,939.09 and 5,394,046.59 is: 8,077,134.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815,419.55 : 11,702,939.09 = 5,394,046.59 : x
  2. Step 2: Convert to fraction form
    7,815,419.55/11,702,939.09 = 5,394,046.59/x
  3. Step 3: Cross multiply
    7,815,419.55x = 11,702,939.09 × 5,394,046.59
  4. Step 4: Simplify right side
    7,815,419.55x = 63,126,198,664,421.98
  5. Step 5: Solve for x
    x = 63,126,198,664,421.98/7,815,419.55
  6. Step 6: Final answer
    x = 8,077,134.98

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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.