Home / 7,193,456.11-9,926,853.60-3,930,200.74

Finding the Fourth Proportional to 7,193,456.11, 9,926,853.60 and 3,930,200.74

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Solution

The fourth proportional to 7,193,456.11, 9,926,853.60 and 3,930,200.74 is: 5,423,613.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193,456.11 : 9,926,853.60 = 3,930,200.74 : x
  2. Step 2: Convert to fraction form
    7,193,456.11/9,926,853.60 = 3,930,200.74/x
  3. Step 3: Cross multiply
    7,193,456.11x = 9,926,853.60 × 3,930,200.74
  4. Step 4: Simplify right side
    7,193,456.11x = 39,014,527,364,591.66
  5. Step 5: Solve for x
    x = 39,014,527,364,591.66/7,193,456.11
  6. Step 6: Final answer
    x = 5,423,613.74

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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.