Home / 19,966,540.20-29,932,314.30-13,556,005.80

Finding the Fourth Proportional to 19,966,540.20, 29,932,314.30 and 13,556,005.80

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Solution

The fourth proportional to 19,966,540.20, 29,932,314.30 and 13,556,005.80 is: 20,322,130.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966,540.20 : 29,932,314.30 = 13,556,005.80 : x
  2. Step 2: Convert to fraction form
    19,966,540.20/29,932,314.30 = 13,556,005.80/x
  3. Step 3: Cross multiply
    19,966,540.20x = 29,932,314.30 × 13,556,005.80
  4. Step 4: Simplify right side
    19,966,540.20x = 405,762,626,258,223
  5. Step 5: Solve for x
    x = 405,762,626,258,223/19,966,540.20
  6. Step 6: Final answer
    x = 20,322,130.03

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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.