Home / 27,811,246.80-41,764,109.40-20,630,888.40

Finding the Fourth Proportional to 27,811,246.80, 41,764,109.40 and 20,630,888.40

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Solution

The fourth proportional to 27,811,246.80, 41,764,109.40 and 20,630,888.40 is: 30,981,375.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,811,246.80 : 41,764,109.40 = 20,630,888.40 : x
  2. Step 2: Convert to fraction form
    27,811,246.80/41,764,109.40 = 20,630,888.40/x
  3. Step 3: Cross multiply
    27,811,246.80x = 41,764,109.40 × 20,630,888.40
  4. Step 4: Simplify right side
    27,811,246.80x = 861,630,680,156,790.88
  5. Step 5: Solve for x
    x = 861,630,680,156,790.88/27,811,246.80
  6. Step 6: Final answer
    x = 30,981,375.50

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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.