Home / 12,217,236.48-18,317,765.76-5,828,474.88

Finding the Fourth Proportional to 12,217,236.48, 18,317,765.76 and 5,828,474.88

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Solution

The fourth proportional to 12,217,236.48, 18,317,765.76 and 5,828,474.88 is: 8,738,853.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217,236.48 : 18,317,765.76 = 5,828,474.88 : x
  2. Step 2: Convert to fraction form
    12,217,236.48/18,317,765.76 = 5,828,474.88/x
  3. Step 3: Cross multiply
    12,217,236.48x = 18,317,765.76 × 5,828,474.88
  4. Step 4: Simplify right side
    12,217,236.48x = 106,764,637,589,884.11
  5. Step 5: Solve for x
    x = 106,764,637,589,884.11/12,217,236.48
  6. Step 6: Final answer
    x = 8,738,853.32

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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.