Home / 10,055,016.38-13,875,805.96-5,471,258.78

Finding the Fourth Proportional to 10,055,016.38, 13,875,805.96 and 5,471,258.78

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Solution

The fourth proportional to 10,055,016.38, 13,875,805.96 and 5,471,258.78 is: 7,550,273.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,055,016.38 : 13,875,805.96 = 5,471,258.78 : x
  2. Step 2: Convert to fraction form
    10,055,016.38/13,875,805.96 = 5,471,258.78/x
  3. Step 3: Cross multiply
    10,055,016.38x = 13,875,805.96 × 5,471,258.78
  4. Step 4: Simplify right side
    10,055,016.38x = 75,918,125,105,169.16
  5. Step 5: Solve for x
    x = 75,918,125,105,169.16/10,055,016.38
  6. Step 6: Final answer
    x = 7,550,273.64

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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.