Home / 31,886,822.17-44,010,991.97-20,867,187.37

Finding the Fourth Proportional to 31,886,822.17, 44,010,991.97 and 20,867,187.37

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Solution

The fourth proportional to 31,886,822.17, 44,010,991.97 and 20,867,187.37 is: 28,801,415.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,886,822.17 : 44,010,991.97 = 20,867,187.37 : x
  2. Step 2: Convert to fraction form
    31,886,822.17/44,010,991.97 = 20,867,187.37/x
  3. Step 3: Cross multiply
    31,886,822.17x = 44,010,991.97 × 20,867,187.37
  4. Step 4: Simplify right side
    31,886,822.17x = 918,385,615,818,405
  5. Step 5: Solve for x
    x = 918,385,615,818,405/31,886,822.17
  6. Step 6: Final answer
    x = 28,801,415.55

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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.