Home / 20,616,775.13-28,450,370.19-11,450,008.37

Finding the Fourth Proportional to 20,616,775.13, 28,450,370.19 and 11,450,008.37

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Solution

The fourth proportional to 20,616,775.13, 28,450,370.19 and 11,450,008.37 is: 15,800,578.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,616,775.13 : 28,450,370.19 = 11,450,008.37 : x
  2. Step 2: Convert to fraction form
    20,616,775.13/28,450,370.19 = 11,450,008.37/x
  3. Step 3: Cross multiply
    20,616,775.13x = 28,450,370.19 × 11,450,008.37
  4. Step 4: Simplify right side
    20,616,775.13x = 325,756,976,919,162
  5. Step 5: Solve for x
    x = 325,756,976,919,162/20,616,775.13
  6. Step 6: Final answer
    x = 15,800,578.65

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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.