Home / 20,702,321.06-31,053,477.49-5,556,252.56

Finding the Fourth Proportional to 20,702,321.06, 31,053,477.49 and 5,556,252.56

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Solution

The fourth proportional to 20,702,321.06, 31,053,477.49 and 5,556,252.56 is: 8,334,377.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,702,321.06 : 31,053,477.49 = 5,556,252.56 : x
  2. Step 2: Convert to fraction form
    20,702,321.06/31,053,477.49 = 5,556,252.56/x
  3. Step 3: Cross multiply
    20,702,321.06x = 31,053,477.49 × 5,556,252.56
  4. Step 4: Simplify right side
    20,702,321.06x = 172,540,963,821,845.72
  5. Step 5: Solve for x
    x = 172,540,963,821,845.72/20,702,321.06
  6. Step 6: Final answer
    x = 8,334,377.74

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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.