Home / 15,504,660.80-21,396,218.64-8,629,141.76

Finding the Fourth Proportional to 15,504,660.80, 21,396,218.64 and 8,629,141.76

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Solution

The fourth proportional to 15,504,660.80, 21,396,218.64 and 8,629,141.76 is: 11,908,096.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,504,660.80 : 21,396,218.64 = 8,629,141.76 : x
  2. Step 2: Convert to fraction form
    15,504,660.80/21,396,218.64 = 8,629,141.76/x
  3. Step 3: Cross multiply
    15,504,660.80x = 21,396,218.64 × 8,629,141.76
  4. Step 4: Simplify right side
    15,504,660.80x = 184,631,003,772,514.41
  5. Step 5: Solve for x
    x = 184,631,003,772,514.41/15,504,660.80
  6. Step 6: Final answer
    x = 11,908,096.94

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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.