Home / 30,608,308.91-42,241,375.11-16,857,269.39

Finding the Fourth Proportional to 30,608,308.91, 42,241,375.11 and 16,857,269.39

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Solution

The fourth proportional to 30,608,308.91, 42,241,375.11 and 16,857,269.39 is: 23,264,083.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,608,308.91 : 42,241,375.11 = 16,857,269.39 : x
  2. Step 2: Convert to fraction form
    30,608,308.91/42,241,375.11 = 16,857,269.39/x
  3. Step 3: Cross multiply
    30,608,308.91x = 42,241,375.11 × 16,857,269.39
  4. Step 4: Simplify right side
    30,608,308.91x = 712,074,239,422,104.12
  5. Step 5: Solve for x
    x = 712,074,239,422,104.12/30,608,308.91
  6. Step 6: Final answer
    x = 23,264,083.02

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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.