Home / 18,466,409.82-25,470,429.19-12,961,013.21

Finding the Fourth Proportional to 18,466,409.82, 25,470,429.19 and 12,961,013.21

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Solution

The fourth proportional to 18,466,409.82, 25,470,429.19 and 12,961,013.21 is: 17,876,922.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466,409.82 : 25,470,429.19 = 12,961,013.21 : x
  2. Step 2: Convert to fraction form
    18,466,409.82/25,470,429.19 = 12,961,013.21/x
  3. Step 3: Cross multiply
    18,466,409.82x = 25,470,429.19 × 12,961,013.21
  4. Step 4: Simplify right side
    18,466,409.82x = 330,122,569,204,624.69
  5. Step 5: Solve for x
    x = 330,122,569,204,624.69/18,466,409.82
  6. Step 6: Final answer
    x = 17,876,922.07

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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.