Home / 20,244,977.70-30,343,846.95-8,108,439.90

Finding the Fourth Proportional to 20,244,977.70, 30,343,846.95 and 8,108,439.90

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Solution

The fourth proportional to 20,244,977.70, 30,343,846.95 and 8,108,439.90 is: 12,153,199.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244,977.70 : 30,343,846.95 = 8,108,439.90 : x
  2. Step 2: Convert to fraction form
    20,244,977.70/30,343,846.95 = 8,108,439.90/x
  3. Step 3: Cross multiply
    20,244,977.70x = 30,343,846.95 × 8,108,439.90
  4. Step 4: Simplify right side
    20,244,977.70x = 246,041,259,328,873.31
  5. Step 5: Solve for x
    x = 246,041,259,328,873.31/20,244,977.70
  6. Step 6: Final answer
    x = 12,153,199.82

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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.