Home / 17,718,462.40-26,480,589.68-12,936,222.40

Finding the Fourth Proportional to 17,718,462.40, 26,480,589.68 and 12,936,222.40

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Solution

The fourth proportional to 17,718,462.40, 26,480,589.68 and 12,936,222.40 is: 19,333,438.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,718,462.40 : 26,480,589.68 = 12,936,222.40 : x
  2. Step 2: Convert to fraction form
    17,718,462.40/26,480,589.68 = 12,936,222.40/x
  3. Step 3: Cross multiply
    17,718,462.40x = 26,480,589.68 × 12,936,222.40
  4. Step 4: Simplify right side
    17,718,462.40x = 342,558,797,383,624.81
  5. Step 5: Solve for x
    x = 342,558,797,383,624.81/17,718,462.40
  6. Step 6: Final answer
    x = 19,333,438.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.