Home / 27,287,777.70-40,937,571.45-8,120,472.30

Finding the Fourth Proportional to 27,287,777.70, 40,937,571.45 and 8,120,472.30

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Solution

The fourth proportional to 27,287,777.70, 40,937,571.45 and 8,120,472.30 is: 12,182,465.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,287,777.70 : 40,937,571.45 = 8,120,472.30 : x
  2. Step 2: Convert to fraction form
    27,287,777.70/40,937,571.45 = 8,120,472.30/x
  3. Step 3: Cross multiply
    27,287,777.70x = 40,937,571.45 × 8,120,472.30
  4. Step 4: Simplify right side
    27,287,777.70x = 332,432,414,988,995.88
  5. Step 5: Solve for x
    x = 332,432,414,988,995.88/27,287,777.70
  6. Step 6: Final answer
    x = 12,182,465.67

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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.