Home / 30,608,310.78-42,241,378.50-16,857,271.26

Finding the Fourth Proportional to 30,608,310.78, 42,241,378.50 and 16,857,271.26

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Solution

The fourth proportional to 30,608,310.78, 42,241,378.50 and 16,857,271.26 is: 23,264,086.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,608,310.78 : 42,241,378.50 = 16,857,271.26 : x
  2. Step 2: Convert to fraction form
    30,608,310.78/42,241,378.50 = 16,857,271.26/x
  3. Step 3: Cross multiply
    30,608,310.78x = 42,241,378.50 × 16,857,271.26
  4. Step 4: Simplify right side
    30,608,310.78x = 712,074,375,770,832
  5. Step 5: Solve for x
    x = 712,074,375,770,832/30,608,310.78
  6. Step 6: Final answer
    x = 23,264,086.05

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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.