Home / 18,192,768.60-27,303,414.30-12,692,092.08

Finding the Fourth Proportional to 18,192,768.60, 27,303,414.30 and 12,692,092.08

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Solution

The fourth proportional to 18,192,768.60, 27,303,414.30 and 12,692,092.08 is: 19,048,087.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192,768.60 : 27,303,414.30 = 12,692,092.08 : x
  2. Step 2: Convert to fraction form
    18,192,768.60/27,303,414.30 = 12,692,092.08/x
  3. Step 3: Cross multiply
    18,192,768.60x = 27,303,414.30 × 12,692,092.08
  4. Step 4: Simplify right side
    18,192,768.60x = 346,537,448,393,988.75
  5. Step 5: Solve for x
    x = 346,537,448,393,988.75/18,192,768.60
  6. Step 6: Final answer
    x = 19,048,087.51

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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.