Home / 12,793,065.47-17,654,388.17-6,991,845.67

Finding the Fourth Proportional to 12,793,065.47, 17,654,388.17 and 6,991,845.67

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Solution

The fourth proportional to 12,793,065.47, 17,654,388.17 and 6,991,845.67 is: 9,648,723.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793,065.47 : 17,654,388.17 = 6,991,845.67 : x
  2. Step 2: Convert to fraction form
    12,793,065.47/17,654,388.17 = 6,991,845.67/x
  3. Step 3: Cross multiply
    12,793,065.47x = 17,654,388.17 × 6,991,845.67
  4. Step 4: Simplify right side
    12,793,065.47x = 123,436,757,482,913.73
  5. Step 5: Solve for x
    x = 123,436,757,482,913.73/12,793,065.47
  6. Step 6: Final answer
    x = 9,648,723.97

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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.