Home / 20,017,217.08-27,629,632.32-11,646,556.36

Finding the Fourth Proportional to 20,017,217.08, 27,629,632.32 and 11,646,556.36

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Solution

The fourth proportional to 20,017,217.08, 27,629,632.32 and 11,646,556.36 is: 16,075,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017,217.08 : 27,629,632.32 = 11,646,556.36 : x
  2. Step 2: Convert to fraction form
    20,017,217.08/27,629,632.32 = 11,646,556.36/x
  3. Step 3: Cross multiply
    20,017,217.08x = 27,629,632.32 × 11,646,556.36
  4. Step 4: Simplify right side
    20,017,217.08x = 321,790,070,020,957.56
  5. Step 5: Solve for x
    x = 321,790,070,020,957.56/20,017,217.08
  6. Step 6: Final answer
    x = 16,075,664.70

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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.