Home / 12,128,464.65-18,188,268.30-4,041,704.10

Finding the Fourth Proportional to 12,128,464.65, 18,188,268.30 and 4,041,704.10

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Solution

The fourth proportional to 12,128,464.65, 18,188,268.30 and 4,041,704.10 is: 6,061,080.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,128,464.65 : 18,188,268.30 = 4,041,704.10 : x
  2. Step 2: Convert to fraction form
    12,128,464.65/18,188,268.30 = 4,041,704.10/x
  3. Step 3: Cross multiply
    12,128,464.65x = 18,188,268.30 × 4,041,704.10
  4. Step 4: Simplify right side
    12,128,464.65x = 73,511,598,560,010.03
  5. Step 5: Solve for x
    x = 73,511,598,560,010.03/12,128,464.65
  6. Step 6: Final answer
    x = 6,061,080.33

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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.