Home / 20,323,923.36-28,042,383.24-12,059,716.92

Finding the Fourth Proportional to 20,323,923.36, 28,042,383.24 and 12,059,716.92

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Solution

The fourth proportional to 20,323,923.36, 28,042,383.24 and 12,059,716.92 is: 16,639,661.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323,923.36 : 28,042,383.24 = 12,059,716.92 : x
  2. Step 2: Convert to fraction form
    20,323,923.36/28,042,383.24 = 12,059,716.92/x
  3. Step 3: Cross multiply
    20,323,923.36x = 28,042,383.24 × 12,059,716.92
  4. Step 4: Simplify right side
    20,323,923.36x = 338,183,203,636,552.38
  5. Step 5: Solve for x
    x = 338,183,203,636,552.38/20,323,923.36
  6. Step 6: Final answer
    x = 16,639,661.43

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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.