Home / 8,679,666.20-12,993,958.94-5,793,875.15

Finding the Fourth Proportional to 8,679,666.20, 12,993,958.94 and 5,793,875.15

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Solution

The fourth proportional to 8,679,666.20, 12,993,958.94 and 5,793,875.15 is: 8,673,763.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,679,666.20 : 12,993,958.94 = 5,793,875.15 : x
  2. Step 2: Convert to fraction form
    8,679,666.20/12,993,958.94 = 5,793,875.15/x
  3. Step 3: Cross multiply
    8,679,666.20x = 12,993,958.94 × 5,793,875.15
  4. Step 4: Simplify right side
    8,679,666.20x = 75,285,375,708,647.17
  5. Step 5: Solve for x
    x = 75,285,375,708,647.17/8,679,666.20
  6. Step 6: Final answer
    x = 8,673,763.95

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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.