Home / 28,689,678.28-39,591,770.79-16,299,793.27

Finding the Fourth Proportional to 28,689,678.28, 39,591,770.79 and 16,299,793.27

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Solution

The fourth proportional to 28,689,678.28, 39,591,770.79 and 16,299,793.27 is: 22,493,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,689,678.28 : 39,591,770.79 = 16,299,793.27 : x
  2. Step 2: Convert to fraction form
    28,689,678.28/39,591,770.79 = 16,299,793.27/x
  3. Step 3: Cross multiply
    28,689,678.28x = 39,591,770.79 × 16,299,793.27
  4. Step 4: Simplify right side
    28,689,678.28x = 645,337,679,070,224.50
  5. Step 5: Solve for x
    x = 645,337,679,070,224.50/28,689,678.28
  6. Step 6: Final answer
    x = 22,493,723.10

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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.