Home / 15,628,512.51-21,567,061.81-8,659,164.64

Finding the Fourth Proportional to 15,628,512.51, 21,567,061.81 and 8,659,164.64

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Solution

The fourth proportional to 15,628,512.51, 21,567,061.81 and 8,659,164.64 is: 11,949,489.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628,512.51 : 21,567,061.81 = 8,659,164.64 : x
  2. Step 2: Convert to fraction form
    15,628,512.51/21,567,061.81 = 8,659,164.64/x
  3. Step 3: Cross multiply
    15,628,512.51x = 21,567,061.81 × 8,659,164.64
  4. Step 4: Simplify right side
    15,628,512.51x = 186,752,739,059,692.97
  5. Step 5: Solve for x
    x = 186,752,739,059,692.97/15,628,512.51
  6. Step 6: Final answer
    x = 11,949,489.05

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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.