Home / 20,733,905.16-28,618,480.17-12,034,880.33

Finding the Fourth Proportional to 20,733,905.16, 28,618,480.17 and 12,034,880.33

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Solution

The fourth proportional to 20,733,905.16, 28,618,480.17 and 12,034,880.33 is: 16,611,438.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,905.16 : 28,618,480.17 = 12,034,880.33 : x
  2. Step 2: Convert to fraction form
    20,733,905.16/28,618,480.17 = 12,034,880.33/x
  3. Step 3: Cross multiply
    20,733,905.16x = 28,618,480.17 × 12,034,880.33
  4. Step 4: Simplify right side
    20,733,905.16x = 344,419,983,929,335.62
  5. Step 5: Solve for x
    x = 344,419,983,929,335.62/20,733,905.16
  6. Step 6: Final answer
    x = 16,611,438.19

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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.