Home / 12,479,204.93-17,219,719.94-7,320,684.29

Finding the Fourth Proportional to 12,479,204.93, 17,219,719.94 and 7,320,684.29

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Solution

The fourth proportional to 12,479,204.93, 17,219,719.94 and 7,320,684.29 is: 10,101,615.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,479,204.93 : 17,219,719.94 = 7,320,684.29 : x
  2. Step 2: Convert to fraction form
    12,479,204.93/17,219,719.94 = 7,320,684.29/x
  3. Step 3: Cross multiply
    12,479,204.93x = 17,219,719.94 × 7,320,684.29
  4. Step 4: Simplify right side
    12,479,204.93x = 126,060,133,120,255.72
  5. Step 5: Solve for x
    x = 126,060,133,120,255.72/12,479,204.93
  6. Step 6: Final answer
    x = 10,101,615.76

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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.