Home / 28,493,936.16-39,315,836.88-16,886,391.84

Finding the Fourth Proportional to 28,493,936.16, 39,315,836.88 and 16,886,391.84

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Solution

The fourth proportional to 28,493,936.16, 39,315,836.88 and 16,886,391.84 is: 23,299,786.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,493,936.16 : 39,315,836.88 = 16,886,391.84 : x
  2. Step 2: Convert to fraction form
    28,493,936.16/39,315,836.88 = 16,886,391.84/x
  3. Step 3: Cross multiply
    28,493,936.16x = 39,315,836.88 × 16,886,391.84
  4. Step 4: Simplify right side
    28,493,936.16x = 663,902,627,073,203.12
  5. Step 5: Solve for x
    x = 663,902,627,073,203.12/28,493,936.16
  6. Step 6: Final answer
    x = 23,299,786.43

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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.