Home / 21,069,596.73-29,078,403.17-11,902,829.97

Finding the Fourth Proportional to 21,069,596.73, 29,078,403.17 and 11,902,829.97

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Solution

The fourth proportional to 21,069,596.73, 29,078,403.17 and 11,902,829.97 is: 16,427,238.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,069,596.73 : 29,078,403.17 = 11,902,829.97 : x
  2. Step 2: Convert to fraction form
    21,069,596.73/29,078,403.17 = 11,902,829.97/x
  3. Step 3: Cross multiply
    21,069,596.73x = 29,078,403.17 × 11,902,829.97
  4. Step 4: Simplify right side
    21,069,596.73x = 346,115,288,731,619.06
  5. Step 5: Solve for x
    x = 346,115,288,731,619.06/21,069,596.73
  6. Step 6: Final answer
    x = 16,427,238.41

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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.