Home / 20,244,976.20-30,343,844.70-8,108,438.40

Finding the Fourth Proportional to 20,244,976.20, 30,343,844.70 and 8,108,438.40

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Solution

The fourth proportional to 20,244,976.20, 30,343,844.70 and 8,108,438.40 is: 12,153,197.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244,976.20 : 30,343,844.70 = 8,108,438.40 : x
  2. Step 2: Convert to fraction form
    20,244,976.20/30,343,844.70 = 8,108,438.40/x
  3. Step 3: Cross multiply
    20,244,976.20x = 30,343,844.70 × 8,108,438.40
  4. Step 4: Simplify right side
    20,244,976.20x = 246,041,195,569,116.50
  5. Step 5: Solve for x
    x = 246,041,195,569,116.50/20,244,976.20
  6. Step 6: Final answer
    x = 12,153,197.57

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1.5x scale

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.