Home / 19,653,136.20-29,479,704.30-12,084,366.60

Finding the Fourth Proportional to 19,653,136.20, 29,479,704.30 and 12,084,366.60

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Solution

The fourth proportional to 19,653,136.20, 29,479,704.30 and 12,084,366.60 is: 18,126,549.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653,136.20 : 29,479,704.30 = 12,084,366.60 : x
  2. Step 2: Convert to fraction form
    19,653,136.20/29,479,704.30 = 12,084,366.60/x
  3. Step 3: Cross multiply
    19,653,136.20x = 29,479,704.30 × 12,084,366.60
  4. Step 4: Simplify right side
    19,653,136.20x = 356,243,554,020,796.38
  5. Step 5: Solve for x
    x = 356,243,554,020,796.38/19,653,136.20
  6. Step 6: Final answer
    x = 18,126,549.90

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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.