Home / 15,789,447.35-21,790,703.23-12,552,971.66

Finding the Fourth Proportional to 15,789,447.35, 21,790,703.23 and 12,552,971.66

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Solution

The fourth proportional to 15,789,447.35, 21,790,703.23 and 12,552,971.66 is: 17,324,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,789,447.35 : 21,790,703.23 = 12,552,971.66 : x
  2. Step 2: Convert to fraction form
    15,789,447.35/21,790,703.23 = 12,552,971.66/x
  3. Step 3: Cross multiply
    15,789,447.35x = 21,790,703.23 × 12,552,971.66
  4. Step 4: Simplify right side
    15,789,447.35x = 273,538,080,039,039.62
  5. Step 5: Solve for x
    x = 273,538,080,039,039.62/15,789,447.35
  6. Step 6: Final answer
    x = 17,324,107.30

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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.