Home / 20,351,346.60-30,517,397.10-11,834,293.80

Finding the Fourth Proportional to 20,351,346.60, 30,517,397.10 and 11,834,293.80

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Solution

The fourth proportional to 20,351,346.60, 30,517,397.10 and 11,834,293.80 is: 17,745,845.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,351,346.60 : 30,517,397.10 = 11,834,293.80 : x
  2. Step 2: Convert to fraction form
    20,351,346.60/30,517,397.10 = 11,834,293.80/x
  3. Step 3: Cross multiply
    20,351,346.60x = 30,517,397.10 × 11,834,293.80
  4. Step 4: Simplify right side
    20,351,346.60x = 361,151,843,292,668
  5. Step 5: Solve for x
    x = 361,151,843,292,668/20,351,346.60
  6. Step 6: Final answer
    x = 17,745,845.05

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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.