Home / 19,188,668.16-28,785,993.26-11,510,508.15

Finding the Fourth Proportional to 19,188,668.16, 28,785,993.26 and 11,510,508.15

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Solution

The fourth proportional to 19,188,668.16, 28,785,993.26 and 11,510,508.15 is: 17,267,556.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188,668.16 : 28,785,993.26 = 11,510,508.15 : x
  2. Step 2: Convert to fraction form
    19,188,668.16/28,785,993.26 = 11,510,508.15/x
  3. Step 3: Cross multiply
    19,188,668.16x = 28,785,993.26 × 11,510,508.15
  4. Step 4: Simplify right side
    19,188,668.16x = 331,341,409,967,522.50
  5. Step 5: Solve for x
    x = 331,341,409,967,522.50/19,188,668.16
  6. Step 6: Final answer
    x = 17,267,556.41

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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.