Home / 20,692,623.33-28,552,891.37-11,751,423.75

Finding the Fourth Proportional to 20,692,623.33, 28,552,891.37 and 11,751,423.75

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Solution

The fourth proportional to 20,692,623.33, 28,552,891.37 and 11,751,423.75 is: 16,215,301.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,692,623.33 : 28,552,891.37 = 11,751,423.75 : x
  2. Step 2: Convert to fraction form
    20,692,623.33/28,552,891.37 = 11,751,423.75/x
  3. Step 3: Cross multiply
    20,692,623.33x = 28,552,891.37 × 11,751,423.75
  4. Step 4: Simplify right side
    20,692,623.33x = 335,537,125,717,830.88
  5. Step 5: Solve for x
    x = 335,537,125,717,830.88/20,692,623.33
  6. Step 6: Final answer
    x = 16,215,301.48

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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.