Home / 19,932,778.80-29,899,168.20-10,839,232.80

Finding the Fourth Proportional to 19,932,778.80, 29,899,168.20 and 10,839,232.80

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Solution

The fourth proportional to 19,932,778.80, 29,899,168.20 and 10,839,232.80 is: 16,258,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932,778.80 : 29,899,168.20 = 10,839,232.80 : x
  2. Step 2: Convert to fraction form
    19,932,778.80/29,899,168.20 = 10,839,232.80/x
  3. Step 3: Cross multiply
    19,932,778.80x = 29,899,168.20 × 10,839,232.80
  4. Step 4: Simplify right side
    19,932,778.80x = 324,084,044,646,157
  5. Step 5: Solve for x
    x = 324,084,044,646,157/19,932,778.80
  6. Step 6: Final answer
    x = 16,258,849.20

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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.