Home / 20,096,936.20-30,136,073.10-8,731,534.60

Finding the Fourth Proportional to 20,096,936.20, 30,136,073.10 and 8,731,534.60

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Solution

The fourth proportional to 20,096,936.20, 30,136,073.10 and 8,731,534.60 is: 13,093,247.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,096,936.20 : 30,136,073.10 = 8,731,534.60 : x
  2. Step 2: Convert to fraction form
    20,096,936.20/30,136,073.10 = 8,731,534.60/x
  3. Step 3: Cross multiply
    20,096,936.20x = 30,136,073.10 × 8,731,534.60
  4. Step 4: Simplify right side
    20,096,936.20x = 263,134,164,980,779.25
  5. Step 5: Solve for x
    x = 263,134,164,980,779.25/20,096,936.20
  6. Step 6: Final answer
    x = 13,093,247.76

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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.