Home / 18,536,623.60-27,804,935.40-12,797,060.80

Finding the Fourth Proportional to 18,536,623.60, 27,804,935.40 and 12,797,060.80

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Solution

The fourth proportional to 18,536,623.60, 27,804,935.40 and 12,797,060.80 is: 19,195,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536,623.60 : 27,804,935.40 = 12,797,060.80 : x
  2. Step 2: Convert to fraction form
    18,536,623.60/27,804,935.40 = 12,797,060.80/x
  3. Step 3: Cross multiply
    18,536,623.60x = 27,804,935.40 × 12,797,060.80
  4. Step 4: Simplify right side
    18,536,623.60x = 355,821,448,853,872.31
  5. Step 5: Solve for x
    x = 355,821,448,853,872.31/18,536,623.60
  6. Step 6: Final answer
    x = 19,195,591.20

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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.