Home / 18,980,950-26,193,672.12-10,279,120

Finding the Fourth Proportional to 18,980,950, 26,193,672.12 and 10,279,120

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Solution

The fourth proportional to 18,980,950, 26,193,672.12 and 10,279,120 is: 14,185,164.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,980,950 : 26,193,672.12 = 10,279,120 : x
  2. Step 2: Convert to fraction form
    18,980,950/26,193,672.12 = 10,279,120/x
  3. Step 3: Cross multiply
    18,980,950x = 26,193,672.12 × 10,279,120
  4. Step 4: Simplify right side
    18,980,950x = 269,247,898,962,134.41
  5. Step 5: Solve for x
    x = 269,247,898,962,134.41/18,980,950
  6. Step 6: Final answer
    x = 14,185,164.54

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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.