Home / 20,228,960.10-30,343,440.15-16,638,780.90

Finding the Fourth Proportional to 20,228,960.10, 30,343,440.15 and 16,638,780.90

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Solution

The fourth proportional to 20,228,960.10, 30,343,440.15 and 16,638,780.90 is: 24,958,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228,960.10 : 30,343,440.15 = 16,638,780.90 : x
  2. Step 2: Convert to fraction form
    20,228,960.10/30,343,440.15 = 16,638,780.90/x
  3. Step 3: Cross multiply
    20,228,960.10x = 30,343,440.15 × 16,638,780.90
  4. Step 4: Simplify right side
    20,228,960.10x = 504,877,852,408,113.12
  5. Step 5: Solve for x
    x = 504,877,852,408,113.12/20,228,960.10
  6. Step 6: Final answer
    x = 24,958,171.35

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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.