Home / 13,102,876.95-19,632,589.26-7,969,778.16

Finding the Fourth Proportional to 13,102,876.95, 19,632,589.26 and 7,969,778.16

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Solution

The fourth proportional to 13,102,876.95, 19,632,589.26 and 7,969,778.16 is: 11,941,452.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102,876.95 : 19,632,589.26 = 7,969,778.16 : x
  2. Step 2: Convert to fraction form
    13,102,876.95/19,632,589.26 = 7,969,778.16/x
  3. Step 3: Cross multiply
    13,102,876.95x = 19,632,589.26 × 7,969,778.16
  4. Step 4: Simplify right side
    13,102,876.95x = 156,467,381,108,598.56
  5. Step 5: Solve for x
    x = 156,467,381,108,598.56/13,102,876.95
  6. Step 6: Final answer
    x = 11,941,452.38

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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.