Home / 18,536,629.60-27,804,944.40-12,797,066.80

Finding the Fourth Proportional to 18,536,629.60, 27,804,944.40 and 12,797,066.80

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Solution

The fourth proportional to 18,536,629.60, 27,804,944.40 and 12,797,066.80 is: 19,195,600.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536,629.60 : 27,804,944.40 = 12,797,066.80 : x
  2. Step 2: Convert to fraction form
    18,536,629.60/27,804,944.40 = 12,797,066.80/x
  3. Step 3: Cross multiply
    18,536,629.60x = 27,804,944.40 × 12,797,066.80
  4. Step 4: Simplify right side
    18,536,629.60x = 355,821,730,857,085.94
  5. Step 5: Solve for x
    x = 355,821,730,857,085.94/18,536,629.60
  6. Step 6: Final answer
    x = 19,195,600.20

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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.