Home / 8,215,752.23-12,324,749.30-3,422,320.49

Finding the Fourth Proportional to 8,215,752.23, 12,324,749.30 and 3,422,320.49

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Solution

The fourth proportional to 8,215,752.23, 12,324,749.30 and 3,422,320.49 is: 5,133,947.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215,752.23 : 12,324,749.30 = 3,422,320.49 : x
  2. Step 2: Convert to fraction form
    8,215,752.23/12,324,749.30 = 3,422,320.49/x
  3. Step 3: Cross multiply
    8,215,752.23x = 12,324,749.30 × 3,422,320.49
  4. Step 4: Simplify right side
    8,215,752.23x = 42,179,241,984,767.80
  5. Step 5: Solve for x
    x = 42,179,241,984,767.80/8,215,752.23
  6. Step 6: Final answer
    x = 5,133,947.67

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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.