Home / 20,244,987.20-30,343,861.20-8,108,449.40

Finding the Fourth Proportional to 20,244,987.20, 30,343,861.20 and 8,108,449.40

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Solution

The fourth proportional to 20,244,987.20, 30,343,861.20 and 8,108,449.40 is: 12,153,214.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244,987.20 : 30,343,861.20 = 8,108,449.40 : x
  2. Step 2: Convert to fraction form
    20,244,987.20/30,343,861.20 = 8,108,449.40/x
  3. Step 3: Cross multiply
    20,244,987.20x = 30,343,861.20 × 8,108,449.40
  4. Step 4: Simplify right side
    20,244,987.20x = 246,041,663,140,823.28
  5. Step 5: Solve for x
    x = 246,041,663,140,823.28/20,244,987.20
  6. Step 6: Final answer
    x = 12,153,214.06

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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.