Home / 18,757,927.20-28,134,266.40-5,979,723.60

Finding the Fourth Proportional to 18,757,927.20, 28,134,266.40 and 5,979,723.60

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Solution

The fourth proportional to 18,757,927.20, 28,134,266.40 and 5,979,723.60 is: 8,968,748.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757,927.20 : 28,134,266.40 = 5,979,723.60 : x
  2. Step 2: Convert to fraction form
    18,757,927.20/28,134,266.40 = 5,979,723.60/x
  3. Step 3: Cross multiply
    18,757,927.20x = 28,134,266.40 × 5,979,723.60
  4. Step 4: Simplify right side
    18,757,927.20x = 168,235,136,760,767.03
  5. Step 5: Solve for x
    x = 168,235,136,760,767.03/18,757,927.20
  6. Step 6: Final answer
    x = 8,968,748.78

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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.