Home / 20,501,467.59-28,292,076.14-11,209,637.23

Finding the Fourth Proportional to 20,501,467.59, 28,292,076.14 and 11,209,637.23

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Solution

The fourth proportional to 20,501,467.59, 28,292,076.14 and 11,209,637.23 is: 15,469,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,501,467.59 : 28,292,076.14 = 11,209,637.23 : x
  2. Step 2: Convert to fraction form
    20,501,467.59/28,292,076.14 = 11,209,637.23/x
  3. Step 3: Cross multiply
    20,501,467.59x = 28,292,076.14 × 11,209,637.23
  4. Step 4: Simplify right side
    20,501,467.59x = 317,143,910,108,357.44
  5. Step 5: Solve for x
    x = 317,143,910,108,357.44/20,501,467.59
  6. Step 6: Final answer
    x = 15,469,327.20

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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.