Home / 42,021,310.20-63,027,231.13-11,318,136.80

Finding the Fourth Proportional to 42,021,310.20, 63,027,231.13 and 11,318,136.80

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Solution

The fourth proportional to 42,021,310.20, 63,027,231.13 and 11,318,136.80 is: 16,975,930.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,021,310.20 : 63,027,231.13 = 11,318,136.80 : x
  2. Step 2: Convert to fraction form
    42,021,310.20/63,027,231.13 = 11,318,136.80/x
  3. Step 3: Cross multiply
    42,021,310.20x = 63,027,231.13 × 11,318,136.80
  4. Step 4: Simplify right side
    42,021,310.20x = 713,350,824,060,335.75
  5. Step 5: Solve for x
    x = 713,350,824,060,335.75/42,021,310.20
  6. Step 6: Final answer
    x = 16,975,930.09

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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.