Home / 9,930,233.46-13,709,835.96-7,873,556.78

Finding the Fourth Proportional to 9,930,233.46, 13,709,835.96 and 7,873,556.78

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Solution

The fourth proportional to 9,930,233.46, 13,709,835.96 and 7,873,556.78 is: 10,870,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930,233.46 : 13,709,835.96 = 7,873,556.78 : x
  2. Step 2: Convert to fraction form
    9,930,233.46/13,709,835.96 = 7,873,556.78/x
  3. Step 3: Cross multiply
    9,930,233.46x = 13,709,835.96 × 7,873,556.78
  4. Step 4: Simplify right side
    9,930,233.46x = 107,945,171,875,545.81
  5. Step 5: Solve for x
    x = 107,945,171,875,545.81/9,930,233.46
  6. Step 6: Final answer
    x = 10,870,355.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.