Home / 12,729,381.90-17,566,546.04-6,928,205.23

Finding the Fourth Proportional to 12,729,381.90, 17,566,546.04 and 6,928,205.23

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Solution

The fourth proportional to 12,729,381.90, 17,566,546.04 and 6,928,205.23 is: 9,560,922.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,729,381.90 : 17,566,546.04 = 6,928,205.23 : x
  2. Step 2: Convert to fraction form
    12,729,381.90/17,566,546.04 = 6,928,205.23/x
  3. Step 3: Cross multiply
    12,729,381.90x = 17,566,546.04 × 6,928,205.23
  4. Step 4: Simplify right side
    12,729,381.90x = 121,704,636,160,661.72
  5. Step 5: Solve for x
    x = 121,704,636,160,661.72/12,729,381.90
  6. Step 6: Final answer
    x = 9,560,922.69

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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.