Home / 12,171,805.03-16,797,091.10-7,015,498.73

Finding the Fourth Proportional to 12,171,805.03, 16,797,091.10 and 7,015,498.73

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Solution

The fourth proportional to 12,171,805.03, 16,797,091.10 and 7,015,498.73 is: 9,681,388.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171,805.03 : 16,797,091.10 = 7,015,498.73 : x
  2. Step 2: Convert to fraction form
    12,171,805.03/16,797,091.10 = 7,015,498.73/x
  3. Step 3: Cross multiply
    12,171,805.03x = 16,797,091.10 × 7,015,498.73
  4. Step 4: Simplify right side
    12,171,805.03x = 117,839,971,223,670.44
  5. Step 5: Solve for x
    x = 117,839,971,223,670.44/12,171,805.03
  6. Step 6: Final answer
    x = 9,681,388.33

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1.5x scale

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.