Home / 10,520,401.20-15,780,757.32-2,946,888.24

Finding the Fourth Proportional to 10,520,401.20, 15,780,757.32 and 2,946,888.24

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Solution

The fourth proportional to 10,520,401.20, 15,780,757.32 and 2,946,888.24 is: 4,420,375.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520,401.20 : 15,780,757.32 = 2,946,888.24 : x
  2. Step 2: Convert to fraction form
    10,520,401.20/15,780,757.32 = 2,946,888.24/x
  3. Step 3: Cross multiply
    10,520,401.20x = 15,780,757.32 × 2,946,888.24
  4. Step 4: Simplify right side
    10,520,401.20x = 46,504,128,164,601.92
  5. Step 5: Solve for x
    x = 46,504,128,164,601.92/10,520,401.20
  6. Step 6: Final answer
    x = 4,420,375.92

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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.