Home / 12,840,469.33-17,719,846.14-7,039,292.06

Finding the Fourth Proportional to 12,840,469.33, 17,719,846.14 and 7,039,292.06

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Solution

The fourth proportional to 12,840,469.33, 17,719,846.14 and 7,039,292.06 is: 9,714,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,840,469.33 : 17,719,846.14 = 7,039,292.06 : x
  2. Step 2: Convert to fraction form
    12,840,469.33/17,719,846.14 = 7,039,292.06/x
  3. Step 3: Cross multiply
    12,840,469.33x = 17,719,846.14 × 7,039,292.06
  4. Step 4: Simplify right side
    12,840,469.33x = 124,735,172,175,521.77
  5. Step 5: Solve for x
    x = 124,735,172,175,521.77/12,840,469.33
  6. Step 6: Final answer
    x = 9,714,222.20

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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.