Home / 10,169,819.20-15,254,728.80-3,438,233.20

Finding the Fourth Proportional to 10,169,819.20, 15,254,728.80 and 3,438,233.20

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Solution

The fourth proportional to 10,169,819.20, 15,254,728.80 and 3,438,233.20 is: 5,157,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,169,819.20 : 15,254,728.80 = 3,438,233.20 : x
  2. Step 2: Convert to fraction form
    10,169,819.20/15,254,728.80 = 3,438,233.20/x
  3. Step 3: Cross multiply
    10,169,819.20x = 15,254,728.80 × 3,438,233.20
  4. Step 4: Simplify right side
    10,169,819.20x = 52,449,315,017,156.16
  5. Step 5: Solve for x
    x = 52,449,315,017,156.16/10,169,819.20
  6. Step 6: Final answer
    x = 5,157,349.80

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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.