Home / 20,220,287-30,330,430.50-6,757,115

Finding the Fourth Proportional to 20,220,287, 30,330,430.50 and 6,757,115

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Solution

The fourth proportional to 20,220,287, 30,330,430.50 and 6,757,115 is: 10,135,672.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,220,287 : 30,330,430.50 = 6,757,115 : x
  2. Step 2: Convert to fraction form
    20,220,287/30,330,430.50 = 6,757,115/x
  3. Step 3: Cross multiply
    20,220,287x = 30,330,430.50 × 6,757,115
  4. Step 4: Simplify right side
    20,220,287x = 204,946,206,888,007.50
  5. Step 5: Solve for x
    x = 204,946,206,888,007.50/20,220,287
  6. Step 6: Final answer
    x = 10,135,672.50

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1.5x scale

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.