Home / 11,912,139.91-17,870,202.87-9,353,251.63

Finding the Fourth Proportional to 11,912,139.91, 17,870,202.87 and 9,353,251.63

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Solution

The fourth proportional to 11,912,139.91, 17,870,202.87 and 9,353,251.63 is: 14,031,442.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,912,139.91 : 17,870,202.87 = 9,353,251.63 : x
  2. Step 2: Convert to fraction form
    11,912,139.91/17,870,202.87 = 9,353,251.63/x
  3. Step 3: Cross multiply
    11,912,139.91x = 17,870,202.87 × 9,353,251.63
  4. Step 4: Simplify right side
    11,912,139.91x = 167,144,504,122,258.19
  5. Step 5: Solve for x
    x = 167,144,504,122,258.19/11,912,139.91
  6. Step 6: Final answer
    x = 14,031,442.33

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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.