Home / 17,637,660.70-26,456,491.05-12,561,487.90

Finding the Fourth Proportional to 17,637,660.70, 26,456,491.05 and 12,561,487.90

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Solution

The fourth proportional to 17,637,660.70, 26,456,491.05 and 12,561,487.90 is: 18,842,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,637,660.70 : 26,456,491.05 = 12,561,487.90 : x
  2. Step 2: Convert to fraction form
    17,637,660.70/26,456,491.05 = 12,561,487.90/x
  3. Step 3: Cross multiply
    17,637,660.70x = 26,456,491.05 × 12,561,487.90
  4. Step 4: Simplify right side
    17,637,660.70x = 332,332,892,201,033.31
  5. Step 5: Solve for x
    x = 332,332,892,201,033.31/17,637,660.70
  6. Step 6: Final answer
    x = 18,842,231.85

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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.