Home / 20,228,948.10-30,343,422.15-16,638,768.90

Finding the Fourth Proportional to 20,228,948.10, 30,343,422.15 and 16,638,768.90

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Solution

The fourth proportional to 20,228,948.10, 30,343,422.15 and 16,638,768.90 is: 24,958,153.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228,948.10 : 30,343,422.15 = 16,638,768.90 : x
  2. Step 2: Convert to fraction form
    20,228,948.10/30,343,422.15 = 16,638,768.90/x
  3. Step 3: Cross multiply
    20,228,948.10x = 30,343,422.15 × 16,638,768.90
  4. Step 4: Simplify right side
    20,228,948.10x = 504,877,188,788,991.12
  5. Step 5: Solve for x
    x = 504,877,188,788,991.12/20,228,948.10
  6. Step 6: Final answer
    x = 24,958,153.35

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1.5x scale

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.