Home / 18,722,108.10-28,086,272.55-7,362,927.30

Finding the Fourth Proportional to 18,722,108.10, 28,086,272.55 and 7,362,927.30

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Solution

The fourth proportional to 18,722,108.10, 28,086,272.55 and 7,362,927.30 is: 11,045,614.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,108.10 : 28,086,272.55 = 7,362,927.30 : x
  2. Step 2: Convert to fraction form
    18,722,108.10/28,086,272.55 = 7,362,927.30/x
  3. Step 3: Cross multiply
    18,722,108.10x = 28,086,272.55 × 7,362,927.30
  4. Step 4: Simplify right side
    18,722,108.10x = 206,797,182,913,635.62
  5. Step 5: Solve for x
    x = 206,797,182,913,635.62/18,722,108.10
  6. Step 6: Final answer
    x = 11,045,614.19

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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.