Home / 12,127,446.55-18,200,027.18-8,540,219.80

Finding the Fourth Proportional to 12,127,446.55, 18,200,027.18 and 8,540,219.80

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Solution

The fourth proportional to 12,127,446.55, 18,200,027.18 and 8,540,219.80 is: 12,816,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,446.55 : 18,200,027.18 = 8,540,219.80 : x
  2. Step 2: Convert to fraction form
    12,127,446.55/18,200,027.18 = 8,540,219.80/x
  3. Step 3: Cross multiply
    12,127,446.55x = 18,200,027.18 × 8,540,219.80
  4. Step 4: Simplify right side
    12,127,446.55x = 155,432,232,483,174.19
  5. Step 5: Solve for x
    x = 155,432,232,483,174.19/12,127,446.55
  6. Step 6: Final answer
    x = 12,816,567.10

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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.