Home / 28,689,786.80-39,591,920.52-16,299,902.04

Finding the Fourth Proportional to 28,689,786.80, 39,591,920.52 and 16,299,902.04

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Solution

The fourth proportional to 28,689,786.80, 39,591,920.52 and 16,299,902.04 is: 22,493,873.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,689,786.80 : 39,591,920.52 = 16,299,902.04 : x
  2. Step 2: Convert to fraction form
    28,689,786.80/39,591,920.52 = 16,299,902.04/x
  3. Step 3: Cross multiply
    28,689,786.80x = 39,591,920.52 × 16,299,902.04
  4. Step 4: Simplify right side
    28,689,786.80x = 645,344,426,051,465.88
  5. Step 5: Solve for x
    x = 645,344,426,051,465.88/28,689,786.80
  6. Step 6: Final answer
    x = 22,493,873.19

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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.