Home / 12,855,556.71-17,741,770.11-7,055,459.64

Finding the Fourth Proportional to 12,855,556.71, 17,741,770.11 and 7,055,459.64

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Solution

The fourth proportional to 12,855,556.71, 17,741,770.11 and 7,055,459.64 is: 9,737,139.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,855,556.71 : 17,741,770.11 = 7,055,459.64 : x
  2. Step 2: Convert to fraction form
    12,855,556.71/17,741,770.11 = 7,055,459.64/x
  3. Step 3: Cross multiply
    12,855,556.71x = 17,741,770.11 × 7,055,459.64
  4. Step 4: Simplify right side
    12,855,556.71x = 125,176,342,953,263.34
  5. Step 5: Solve for x
    x = 125,176,342,953,263.34/12,855,556.71
  6. Step 6: Final answer
    x = 9,737,139.03

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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.