Home / 15,047,843.55-20,767,796.87-8,936,272.05

Finding the Fourth Proportional to 15,047,843.55, 20,767,796.87 and 8,936,272.05

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Solution

The fourth proportional to 15,047,843.55, 20,767,796.87 and 8,936,272.05 is: 12,333,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,047,843.55 : 20,767,796.87 = 8,936,272.05 : x
  2. Step 2: Convert to fraction form
    15,047,843.55/20,767,796.87 = 8,936,272.05/x
  3. Step 3: Cross multiply
    15,047,843.55x = 20,767,796.87 × 8,936,272.05
  4. Step 4: Simplify right side
    15,047,843.55x = 185,586,682,664,777.12
  5. Step 5: Solve for x
    x = 185,586,682,664,777.12/15,047,843.55
  6. Step 6: Final answer
    x = 12,333,108.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.