Home / 22,428,299.40-30,951,048.42-12,115,022.76

Finding the Fourth Proportional to 22,428,299.40, 30,951,048.42 and 12,115,022.76

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Solution

The fourth proportional to 22,428,299.40, 30,951,048.42 and 12,115,022.76 is: 16,718,728.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428,299.40 : 30,951,048.42 = 12,115,022.76 : x
  2. Step 2: Convert to fraction form
    22,428,299.40/30,951,048.42 = 12,115,022.76/x
  3. Step 3: Cross multiply
    22,428,299.40x = 30,951,048.42 × 12,115,022.76
  4. Step 4: Simplify right side
    22,428,299.40x = 374,972,656,054,162.06
  5. Step 5: Solve for x
    x = 374,972,656,054,162.06/22,428,299.40
  6. Step 6: Final answer
    x = 16,718,728.84

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1.5x scale

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.