Home / 21,786,660.29-30,063,305.43-12,364,450.79

Finding the Fourth Proportional to 21,786,660.29, 30,063,305.43 and 12,364,450.79

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Solution

The fourth proportional to 21,786,660.29, 30,063,305.43 and 12,364,450.79 is: 17,061,644.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,786,660.29 : 30,063,305.43 = 12,364,450.79 : x
  2. Step 2: Convert to fraction form
    21,786,660.29/30,063,305.43 = 12,364,450.79/x
  3. Step 3: Cross multiply
    21,786,660.29x = 30,063,305.43 × 12,364,450.79
  4. Step 4: Simplify right side
    21,786,660.29x = 371,716,260,423,658.25
  5. Step 5: Solve for x
    x = 371,716,260,423,658.25/21,786,660.29
  6. Step 6: Final answer
    x = 17,061,644.86

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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.