Home / 20,906,331.60-28,851,551.64-11,614,602.84

Finding the Fourth Proportional to 20,906,331.60, 28,851,551.64 and 11,614,602.84

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Solution

The fourth proportional to 20,906,331.60, 28,851,551.64 and 11,614,602.84 is: 16,028,604.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,906,331.60 : 28,851,551.64 = 11,614,602.84 : x
  2. Step 2: Convert to fraction form
    20,906,331.60/28,851,551.64 = 11,614,602.84/x
  3. Step 3: Cross multiply
    20,906,331.60x = 28,851,551.64 × 11,614,602.84
  4. Step 4: Simplify right side
    20,906,331.60x = 335,099,313,616,350.69
  5. Step 5: Solve for x
    x = 335,099,313,616,350.69/20,906,331.60
  6. Step 6: Final answer
    x = 16,028,604.16

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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.