Home / 27,811,240.80-41,764,100.40-20,630,882.40

Finding the Fourth Proportional to 27,811,240.80, 41,764,100.40 and 20,630,882.40

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Solution

The fourth proportional to 27,811,240.80, 41,764,100.40 and 20,630,882.40 is: 30,981,366.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,811,240.80 : 41,764,100.40 = 20,630,882.40 : x
  2. Step 2: Convert to fraction form
    27,811,240.80/41,764,100.40 = 20,630,882.40/x
  3. Step 3: Cross multiply
    27,811,240.80x = 41,764,100.40 × 20,630,882.40
  4. Step 4: Simplify right side
    27,811,240.80x = 861,630,243,894,192.88
  5. Step 5: Solve for x
    x = 861,630,243,894,192.88/27,811,240.80
  6. Step 6: Final answer
    x = 30,981,366.49

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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.