Home / 13,608,440.70-20,385,104.85-8,475,114.30

Finding the Fourth Proportional to 13,608,440.70, 20,385,104.85 and 8,475,114.30

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Solution

The fourth proportional to 13,608,440.70, 20,385,104.85 and 8,475,114.30 is: 12,695,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,440.70 : 20,385,104.85 = 8,475,114.30 : x
  2. Step 2: Convert to fraction form
    13,608,440.70/20,385,104.85 = 8,475,114.30/x
  3. Step 3: Cross multiply
    13,608,440.70x = 20,385,104.85 × 8,475,114.30
  4. Step 4: Simplify right side
    13,608,440.70x = 172,766,093,621,234.38
  5. Step 5: Solve for x
    x = 172,766,093,621,234.38/13,608,440.70
  6. Step 6: Final answer
    x = 12,695,509.90

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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.