Home / 20,203,905.30-30,309,794.55-8,071,304.10

Finding the Fourth Proportional to 20,203,905.30, 30,309,794.55 and 8,071,304.10

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Solution

The fourth proportional to 20,203,905.30, 30,309,794.55 and 8,071,304.10 is: 12,108,528.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,203,905.30 : 30,309,794.55 = 8,071,304.10 : x
  2. Step 2: Convert to fraction form
    20,203,905.30/30,309,794.55 = 8,071,304.10/x
  3. Step 3: Cross multiply
    20,203,905.30x = 30,309,794.55 × 8,071,304.10
  4. Step 4: Simplify right side
    20,203,905.30x = 244,639,569,021,572.66
  5. Step 5: Solve for x
    x = 244,639,569,021,572.66/20,203,905.30
  6. Step 6: Final answer
    x = 12,108,528.79

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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.