Home / 20,650,935.49-28,498,305.59-11,359,212.49

Finding the Fourth Proportional to 20,650,935.49, 28,498,305.59 and 11,359,212.49

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Solution

The fourth proportional to 20,650,935.49, 28,498,305.59 and 11,359,212.49 is: 15,675,721.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,650,935.49 : 28,498,305.59 = 11,359,212.49 : x
  2. Step 2: Convert to fraction form
    20,650,935.49/28,498,305.59 = 11,359,212.49/x
  3. Step 3: Cross multiply
    20,650,935.49x = 28,498,305.59 × 11,359,212.49
  4. Step 4: Simplify right side
    20,650,935.49x = 323,718,308,823,188.75
  5. Step 5: Solve for x
    x = 323,718,308,823,188.75/20,650,935.49
  6. Step 6: Final answer
    x = 15,675,721.28

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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.