Home / 12,161,449.20-16,782,996.24-6,655,302.48

Finding the Fourth Proportional to 12,161,449.20, 16,782,996.24 and 6,655,302.48

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Solution

The fourth proportional to 12,161,449.20, 16,782,996.24 and 6,655,302.48 is: 9,184,424.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161,449.20 : 16,782,996.24 = 6,655,302.48 : x
  2. Step 2: Convert to fraction form
    12,161,449.20/16,782,996.24 = 6,655,302.48/x
  3. Step 3: Cross multiply
    12,161,449.20x = 16,782,996.24 × 6,655,302.48
  4. Step 4: Simplify right side
    12,161,449.20x = 111,695,916,497,902.67
  5. Step 5: Solve for x
    x = 111,695,916,497,902.67/12,161,449.20
  6. Step 6: Final answer
    x = 9,184,424.87

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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.