Home / 15,517,383.96-21,416,595.70-8,995,093.32

Finding the Fourth Proportional to 15,517,383.96, 21,416,595.70 and 8,995,093.32

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Solution

The fourth proportional to 15,517,383.96, 21,416,595.70 and 8,995,093.32 is: 12,414,739.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517,383.96 : 21,416,595.70 = 8,995,093.32 : x
  2. Step 2: Convert to fraction form
    15,517,383.96/21,416,595.70 = 8,995,093.32/x
  3. Step 3: Cross multiply
    15,517,383.96x = 21,416,595.70 × 8,995,093.32
  4. Step 4: Simplify right side
    15,517,383.96x = 192,644,276,918,210.72
  5. Step 5: Solve for x
    x = 192,644,276,918,210.72/15,517,383.96
  6. Step 6: Final answer
    x = 12,414,739.33

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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.