Home / 8,428,958.56-11,631,917.28-4,561,478.56

Finding the Fourth Proportional to 8,428,958.56, 11,631,917.28 and 4,561,478.56

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Solution

The fourth proportional to 8,428,958.56, 11,631,917.28 and 4,561,478.56 is: 6,294,815.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,958.56 : 11,631,917.28 = 4,561,478.56 : x
  2. Step 2: Convert to fraction form
    8,428,958.56/11,631,917.28 = 4,561,478.56/x
  3. Step 3: Cross multiply
    8,428,958.56x = 11,631,917.28 × 4,561,478.56
  4. Step 4: Simplify right side
    8,428,958.56x = 53,058,741,284,413.51
  5. Step 5: Solve for x
    x = 53,058,741,284,413.51/8,428,958.56
  6. Step 6: Final answer
    x = 6,294,815.77

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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.