Home / 13,591,688.36-18,760,481.70-8,088,924.20

Finding the Fourth Proportional to 13,591,688.36, 18,760,481.70 and 8,088,924.20

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Solution

The fourth proportional to 13,591,688.36, 18,760,481.70 and 8,088,924.20 is: 11,165,067.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591,688.36 : 18,760,481.70 = 8,088,924.20 : x
  2. Step 2: Convert to fraction form
    13,591,688.36/18,760,481.70 = 8,088,924.20/x
  3. Step 3: Cross multiply
    13,591,688.36x = 18,760,481.70 × 8,088,924.20
  4. Step 4: Simplify right side
    13,591,688.36x = 151,752,114,426,787.12
  5. Step 5: Solve for x
    x = 151,752,114,426,787.12/13,591,688.36
  6. Step 6: Final answer
    x = 11,165,067.24

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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.