Home / 7,013,401.20-10,520,447.40-3,654,169.20

Finding the Fourth Proportional to 7,013,401.20, 10,520,447.40 and 3,654,169.20

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Solution

The fourth proportional to 7,013,401.20, 10,520,447.40 and 3,654,169.20 is: 5,481,433.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013,401.20 : 10,520,447.40 = 3,654,169.20 : x
  2. Step 2: Convert to fraction form
    7,013,401.20/10,520,447.40 = 3,654,169.20/x
  3. Step 3: Cross multiply
    7,013,401.20x = 10,520,447.40 × 3,654,169.20
  4. Step 4: Simplify right side
    7,013,401.20x = 38,443,494,859,300.09
  5. Step 5: Solve for x
    x = 38,443,494,859,300.09/7,013,401.20
  6. Step 6: Final answer
    x = 5,481,433.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.