Home / 22,428,298.40-30,951,047.04-12,115,021.76

Finding the Fourth Proportional to 22,428,298.40, 30,951,047.04 and 12,115,021.76

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Solution

The fourth proportional to 22,428,298.40, 30,951,047.04 and 12,115,021.76 is: 16,718,727.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428,298.40 : 30,951,047.04 = 12,115,021.76 : x
  2. Step 2: Convert to fraction form
    22,428,298.40/30,951,047.04 = 12,115,021.76/x
  3. Step 3: Cross multiply
    22,428,298.40x = 30,951,047.04 × 12,115,021.76
  4. Step 4: Simplify right side
    22,428,298.40x = 374,972,608,384,383.56
  5. Step 5: Solve for x
    x = 374,972,608,384,383.56/22,428,298.40
  6. Step 6: Final answer
    x = 16,718,727.46

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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.