Home / 28,964,540.21-39,953,336.42-17,195,821.17

Finding the Fourth Proportional to 28,964,540.21, 39,953,336.42 and 17,195,821.17

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Solution

The fourth proportional to 28,964,540.21, 39,953,336.42 and 17,195,821.17 is: 23,719,707.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964,540.21 : 39,953,336.42 = 17,195,821.17 : x
  2. Step 2: Convert to fraction form
    28,964,540.21/39,953,336.42 = 17,195,821.17/x
  3. Step 3: Cross multiply
    28,964,540.21x = 39,953,336.42 × 17,195,821.17
  4. Step 4: Simplify right side
    28,964,540.21x = 687,030,428,137,189
  5. Step 5: Solve for x
    x = 687,030,428,137,189/28,964,540.21
  6. Step 6: Final answer
    x = 23,719,707.73

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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.