Home / 12,743,687.26-19,102,732.08-4,101,436.81

Finding the Fourth Proportional to 12,743,687.26, 19,102,732.08 and 4,101,436.81

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Solution

The fourth proportional to 12,743,687.26, 19,102,732.08 and 4,101,436.81 is: 6,148,036.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743,687.26 : 19,102,732.08 = 4,101,436.81 : x
  2. Step 2: Convert to fraction form
    12,743,687.26/19,102,732.08 = 4,101,436.81/x
  3. Step 3: Cross multiply
    12,743,687.26x = 19,102,732.08 × 4,101,436.81
  4. Step 4: Simplify right side
    12,743,687.26x = 78,348,648,524,479.86
  5. Step 5: Solve for x
    x = 78,348,648,524,479.86/12,743,687.26
  6. Step 6: Final answer
    x = 6,148,036.04

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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.