Home / 20,186,559.60-30,279,839.40-18,751,668.90

Finding the Fourth Proportional to 20,186,559.60, 30,279,839.40 and 18,751,668.90

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Solution

The fourth proportional to 20,186,559.60, 30,279,839.40 and 18,751,668.90 is: 28,127,503.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186,559.60 : 30,279,839.40 = 18,751,668.90 : x
  2. Step 2: Convert to fraction form
    20,186,559.60/30,279,839.40 = 18,751,668.90/x
  3. Step 3: Cross multiply
    20,186,559.60x = 30,279,839.40 × 18,751,668.90
  4. Step 4: Simplify right side
    20,186,559.60x = 567,797,522,773,974.62
  5. Step 5: Solve for x
    x = 567,797,522,773,974.62/20,186,559.60
  6. Step 6: Final answer
    x = 28,127,503.35

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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.