Home / 20,154,308.60-30,231,462.90-6,691,136.60

Finding the Fourth Proportional to 20,154,308.60, 30,231,462.90 and 6,691,136.60

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Solution

The fourth proportional to 20,154,308.60, 30,231,462.90 and 6,691,136.60 is: 10,036,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154,308.60 : 30,231,462.90 = 6,691,136.60 : x
  2. Step 2: Convert to fraction form
    20,154,308.60/30,231,462.90 = 6,691,136.60/x
  3. Step 3: Cross multiply
    20,154,308.60x = 30,231,462.90 × 6,691,136.60
  4. Step 4: Simplify right side
    20,154,308.60x = 202,282,847,881,732.12
  5. Step 5: Solve for x
    x = 202,282,847,881,732.12/20,154,308.60
  6. Step 6: Final answer
    x = 10,036,704.90

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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.