Home / 12,238,258.70-18,360,012.45-3,719,456.30

Finding the Fourth Proportional to 12,238,258.70, 18,360,012.45 and 3,719,456.30

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Solution

The fourth proportional to 12,238,258.70, 18,360,012.45 and 3,719,456.30 is: 5,579,982.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238,258.70 : 18,360,012.45 = 3,719,456.30 : x
  2. Step 2: Convert to fraction form
    12,238,258.70/18,360,012.45 = 3,719,456.30/x
  3. Step 3: Cross multiply
    12,238,258.70x = 18,360,012.45 × 3,719,456.30
  4. Step 4: Simplify right side
    12,238,258.70x = 68,289,263,975,230.93
  5. Step 5: Solve for x
    x = 68,289,263,975,230.93/12,238,258.70
  6. Step 6: Final answer
    x = 5,579,982.06

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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.