Home / 20,835,224.78-28,752,602.73-11,543,397.26

Finding the Fourth Proportional to 20,835,224.78, 28,752,602.73 and 11,543,397.26

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Solution

The fourth proportional to 20,835,224.78, 28,752,602.73 and 11,543,397.26 is: 15,929,884.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,835,224.78 : 28,752,602.73 = 11,543,397.26 : x
  2. Step 2: Convert to fraction form
    20,835,224.78/28,752,602.73 = 11,543,397.26/x
  3. Step 3: Cross multiply
    20,835,224.78x = 28,752,602.73 × 11,543,397.26
  4. Step 4: Simplify right side
    20,835,224.78x = 331,902,715,427,587.56
  5. Step 5: Solve for x
    x = 331,902,715,427,587.56/20,835,224.78
  6. Step 6: Final answer
    x = 15,929,884.08

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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.