Home / 12,861,563.04-19,296,134.46-5,181,255.72

Finding the Fourth Proportional to 12,861,563.04, 19,296,134.46 and 5,181,255.72

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Solution

The fourth proportional to 12,861,563.04, 19,296,134.46 and 5,181,255.72 is: 7,773,410.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861,563.04 : 19,296,134.46 = 5,181,255.72 : x
  2. Step 2: Convert to fraction form
    12,861,563.04/19,296,134.46 = 5,181,255.72/x
  3. Step 3: Cross multiply
    12,861,563.04x = 19,296,134.46 × 5,181,255.72
  4. Step 4: Simplify right side
    12,861,563.04x = 99,978,207,044,764.11
  5. Step 5: Solve for x
    x = 99,978,207,044,764.11/12,861,563.04
  6. Step 6: Final answer
    x = 7,773,410.33

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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.