Home / 28,858,893.42-39,825,917.60-16,468,740.21

Finding the Fourth Proportional to 28,858,893.42, 39,825,917.60 and 16,468,740.21

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Solution

The fourth proportional to 28,858,893.42, 39,825,917.60 and 16,468,740.21 is: 22,727,229.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858,893.42 : 39,825,917.60 = 16,468,740.21 : x
  2. Step 2: Convert to fraction form
    28,858,893.42/39,825,917.60 = 16,468,740.21/x
  3. Step 3: Cross multiply
    28,858,893.42x = 39,825,917.60 × 16,468,740.21
  4. Step 4: Simplify right side
    28,858,893.42x = 655,882,690,579,266.75
  5. Step 5: Solve for x
    x = 655,882,690,579,266.75/28,858,893.42
  6. Step 6: Final answer
    x = 22,727,229.39

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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.