Home / 12,982,031.22-17,915,645.70-7,401,103.14

Finding the Fourth Proportional to 12,982,031.22, 17,915,645.70 and 7,401,103.14

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Solution

The fourth proportional to 12,982,031.22, 17,915,645.70 and 7,401,103.14 is: 10,213,774.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,982,031.22 : 17,915,645.70 = 7,401,103.14 : x
  2. Step 2: Convert to fraction form
    12,982,031.22/17,915,645.70 = 7,401,103.14/x
  3. Step 3: Cross multiply
    12,982,031.22x = 17,915,645.70 × 7,401,103.14
  4. Step 4: Simplify right side
    12,982,031.22x = 132,595,541,645,397.48
  5. Step 5: Solve for x
    x = 132,595,541,645,397.48/12,982,031.22
  6. Step 6: Final answer
    x = 10,213,774.67

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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.