Home / 18,740,003.20-28,047,796.80-13,607,843.20

Finding the Fourth Proportional to 18,740,003.20, 28,047,796.80 and 13,607,843.20

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Solution

The fourth proportional to 18,740,003.20, 28,047,796.80 and 13,607,843.20 is: 20,366,593.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740,003.20 : 28,047,796.80 = 13,607,843.20 : x
  2. Step 2: Convert to fraction form
    18,740,003.20/28,047,796.80 = 13,607,843.20/x
  3. Step 3: Cross multiply
    18,740,003.20x = 28,047,796.80 × 13,607,843.20
  4. Step 4: Simplify right side
    18,740,003.20x = 381,670,020,959,861.75
  5. Step 5: Solve for x
    x = 381,670,020,959,861.75/18,740,003.20
  6. Step 6: Final answer
    x = 20,366,593.16

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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.