Home / 20,757,633.51-28,645,584.89-11,590,604.31

Finding the Fourth Proportional to 20,757,633.51, 28,645,584.89 and 11,590,604.31

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Solution

The fourth proportional to 20,757,633.51, 28,645,584.89 and 11,590,604.31 is: 15,995,062.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,757,633.51 : 28,645,584.89 = 11,590,604.31 : x
  2. Step 2: Convert to fraction form
    20,757,633.51/28,645,584.89 = 11,590,604.31/x
  3. Step 3: Cross multiply
    20,757,633.51x = 28,645,584.89 × 11,590,604.31
  4. Step 4: Simplify right side
    20,757,633.51x = 332,019,639,630,551.88
  5. Step 5: Solve for x
    x = 332,019,639,630,551.88/20,757,633.51
  6. Step 6: Final answer
    x = 15,995,062.22

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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.