Home / 12,609,035.52-17,401,540.68-7,103,491.44

Finding the Fourth Proportional to 12,609,035.52, 17,401,540.68 and 7,103,491.44

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Solution

The fourth proportional to 12,609,035.52, 17,401,540.68 and 7,103,491.44 is: 9,803,421.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,609,035.52 : 17,401,540.68 = 7,103,491.44 : x
  2. Step 2: Convert to fraction form
    12,609,035.52/17,401,540.68 = 7,103,491.44/x
  3. Step 3: Cross multiply
    12,609,035.52x = 17,401,540.68 × 7,103,491.44
  4. Step 4: Simplify right side
    12,609,035.52x = 123,611,695,263,191.78
  5. Step 5: Solve for x
    x = 123,611,695,263,191.78/12,609,035.52
  6. Step 6: Final answer
    x = 9,803,421.92

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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.