Home / 17,238,093.30-25,857,139.95-7,643,286.90

Finding the Fourth Proportional to 17,238,093.30, 25,857,139.95 and 7,643,286.90

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Solution

The fourth proportional to 17,238,093.30, 25,857,139.95 and 7,643,286.90 is: 11,464,930.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,238,093.30 : 25,857,139.95 = 7,643,286.90 : x
  2. Step 2: Convert to fraction form
    17,238,093.30/25,857,139.95 = 7,643,286.90/x
  3. Step 3: Cross multiply
    17,238,093.30x = 25,857,139.95 × 7,643,286.90
  4. Step 4: Simplify right side
    17,238,093.30x = 197,633,539,051,301.66
  5. Step 5: Solve for x
    x = 197,633,539,051,301.66/17,238,093.30
  6. Step 6: Final answer
    x = 11,464,930.35

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Similar ratio
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1.5x scale

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.