Home / 20,618,166.06-28,453,135.41-11,450,808.54

Finding the Fourth Proportional to 20,618,166.06, 28,453,135.41 and 11,450,808.54

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Solution

The fourth proportional to 20,618,166.06, 28,453,135.41 and 11,450,808.54 is: 15,802,152.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,618,166.06 : 28,453,135.41 = 11,450,808.54 : x
  2. Step 2: Convert to fraction form
    20,618,166.06/28,453,135.41 = 11,450,808.54/x
  3. Step 3: Cross multiply
    20,618,166.06x = 28,453,135.41 × 11,450,808.54
  4. Step 4: Simplify right side
    20,618,166.06x = 325,811,405,942,604.38
  5. Step 5: Solve for x
    x = 325,811,405,942,604.38/20,618,166.06
  6. Step 6: Final answer
    x = 15,802,152.58

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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.