Home / 10,883,690.67-15,025,688.07-7,217,556.62

Finding the Fourth Proportional to 10,883,690.67, 15,025,688.07 and 7,217,556.62

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Solution

The fourth proportional to 10,883,690.67, 15,025,688.07 and 7,217,556.62 is: 9,964,336.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,883,690.67 : 15,025,688.07 = 7,217,556.62 : x
  2. Step 2: Convert to fraction form
    10,883,690.67/15,025,688.07 = 7,217,556.62/x
  3. Step 3: Cross multiply
    10,883,690.67x = 15,025,688.07 × 7,217,556.62
  4. Step 4: Simplify right side
    10,883,690.67x = 108,448,754,324,555.09
  5. Step 5: Solve for x
    x = 108,448,754,324,555.09/10,883,690.67
  6. Step 6: Final answer
    x = 9,964,336.33

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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.