Home / 18,181,195.07-25,090,581.57-9,921,789.56

Finding the Fourth Proportional to 18,181,195.07, 25,090,581.57 and 9,921,789.56

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Solution

The fourth proportional to 18,181,195.07, 25,090,581.57 and 9,921,789.56 is: 13,692,360.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181,195.07 : 25,090,581.57 = 9,921,789.56 : x
  2. Step 2: Convert to fraction form
    18,181,195.07/25,090,581.57 = 9,921,789.56/x
  3. Step 3: Cross multiply
    18,181,195.07x = 25,090,581.57 × 9,921,789.56
  4. Step 4: Simplify right side
    18,181,195.07x = 248,943,470,150,101.50
  5. Step 5: Solve for x
    x = 248,943,470,150,101.50/18,181,195.07
  6. Step 6: Final answer
    x = 13,692,360.11

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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.