Home / 12,863,781.33-17,751,222.90-7,062,530.55

Finding the Fourth Proportional to 12,863,781.33, 17,751,222.90 and 7,062,530.55

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Solution

The fourth proportional to 12,863,781.33, 17,751,222.90 and 7,062,530.55 is: 9,745,855.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,863,781.33 : 17,751,222.90 = 7,062,530.55 : x
  2. Step 2: Convert to fraction form
    12,863,781.33/17,751,222.90 = 7,062,530.55/x
  3. Step 3: Cross multiply
    12,863,781.33x = 17,751,222.90 × 7,062,530.55
  4. Step 4: Simplify right side
    12,863,781.33x = 125,368,554,031,109.58
  5. Step 5: Solve for x
    x = 125,368,554,031,109.58/12,863,781.33
  6. Step 6: Final answer
    x = 9,745,855.50

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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.