Home / 20,169,024.20-30,285,029.10-11,665,968.20

Finding the Fourth Proportional to 20,169,024.20, 30,285,029.10 and 11,665,968.20

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Solution

The fourth proportional to 20,169,024.20, 30,285,029.10 and 11,665,968.20 is: 17,517,168.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169,024.20 : 30,285,029.10 = 11,665,968.20 : x
  2. Step 2: Convert to fraction form
    20,169,024.20/30,285,029.10 = 11,665,968.20/x
  3. Step 3: Cross multiply
    20,169,024.20x = 30,285,029.10 × 11,665,968.20
  4. Step 4: Simplify right side
    20,169,024.20x = 353,304,186,416,674.62
  5. Step 5: Solve for x
    x = 353,304,186,416,674.62/20,169,024.20
  6. Step 6: Final answer
    x = 17,517,168.05

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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.