Home / 36,668,142.80-54,918,233.40-18,696,251.60

Finding the Fourth Proportional to 36,668,142.80, 54,918,233.40 and 18,696,251.60

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Solution

The fourth proportional to 36,668,142.80, 54,918,233.40 and 18,696,251.60 is: 28,001,557.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,668,142.80 : 54,918,233.40 = 18,696,251.60 : x
  2. Step 2: Convert to fraction form
    36,668,142.80/54,918,233.40 = 18,696,251.60/x
  3. Step 3: Cross multiply
    36,668,142.80x = 54,918,233.40 × 18,696,251.60
  4. Step 4: Simplify right side
    36,668,142.80x = 1,026,765,109,073,923.50
  5. Step 5: Solve for x
    x = 1,026,765,109,073,923.50/36,668,142.80
  6. Step 6: Final answer
    x = 28,001,557.50

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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.