Home / 21,584,853.54-29,790,135.63-13,741,860.33

Finding the Fourth Proportional to 21,584,853.54, 29,790,135.63 and 13,741,860.33

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Solution

The fourth proportional to 21,584,853.54, 29,790,135.63 and 13,741,860.33 is: 18,965,701.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,584,853.54 : 29,790,135.63 = 13,741,860.33 : x
  2. Step 2: Convert to fraction form
    21,584,853.54/29,790,135.63 = 13,741,860.33/x
  3. Step 3: Cross multiply
    21,584,853.54x = 29,790,135.63 × 13,741,860.33
  4. Step 4: Simplify right side
    21,584,853.54x = 409,371,883,039,216.56
  5. Step 5: Solve for x
    x = 409,371,883,039,216.56/21,584,853.54
  6. Step 6: Final answer
    x = 18,965,701.22

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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.