Home / 12,575,131.03-18,862,694.11-5,382,000.55

Finding the Fourth Proportional to 12,575,131.03, 18,862,694.11 and 5,382,000.55

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Solution

The fourth proportional to 12,575,131.03, 18,862,694.11 and 5,382,000.55 is: 8,072,999.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575,131.03 : 18,862,694.11 = 5,382,000.55 : x
  2. Step 2: Convert to fraction form
    12,575,131.03/18,862,694.11 = 5,382,000.55/x
  3. Step 3: Cross multiply
    12,575,131.03x = 18,862,694.11 × 5,382,000.55
  4. Step 4: Simplify right side
    12,575,131.03x = 101,519,030,074,501.75
  5. Step 5: Solve for x
    x = 101,519,030,074,501.75/12,575,131.03
  6. Step 6: Final answer
    x = 8,072,999.78

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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.