Home / 8,389,221.20-12,581,374.20-2,997,246.80

Finding the Fourth Proportional to 8,389,221.20, 12,581,374.20 and 2,997,246.80

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Solution

The fourth proportional to 8,389,221.20, 12,581,374.20 and 2,997,246.80 is: 4,494,992.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389,221.20 : 12,581,374.20 = 2,997,246.80 : x
  2. Step 2: Convert to fraction form
    8,389,221.20/12,581,374.20 = 2,997,246.80/x
  3. Step 3: Cross multiply
    8,389,221.20x = 12,581,374.20 × 2,997,246.80
  4. Step 4: Simplify right side
    8,389,221.20x = 37,709,483,560,552.55
  5. Step 5: Solve for x
    x = 37,709,483,560,552.55/8,389,221.20
  6. Step 6: Final answer
    x = 4,494,992.16

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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.