Home / 20,228,934.60-30,343,401.90-16,638,755.40

Finding the Fourth Proportional to 20,228,934.60, 30,343,401.90 and 16,638,755.40

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Solution

The fourth proportional to 20,228,934.60, 30,343,401.90 and 16,638,755.40 is: 24,958,133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228,934.60 : 30,343,401.90 = 16,638,755.40 : x
  2. Step 2: Convert to fraction form
    20,228,934.60/30,343,401.90 = 16,638,755.40/x
  3. Step 3: Cross multiply
    20,228,934.60x = 30,343,401.90 × 16,638,755.40
  4. Step 4: Simplify right side
    20,228,934.60x = 504,876,442,217,995.25
  5. Step 5: Solve for x
    x = 504,876,442,217,995.25/20,228,934.60
  6. Step 6: Final answer
    x = 24,958,133.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.