Home / 10,902,518.80-16,353,778.20-6,640,493.20

Finding the Fourth Proportional to 10,902,518.80, 16,353,778.20 and 6,640,493.20

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Solution

The fourth proportional to 10,902,518.80, 16,353,778.20 and 6,640,493.20 is: 9,960,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902,518.80 : 16,353,778.20 = 6,640,493.20 : x
  2. Step 2: Convert to fraction form
    10,902,518.80/16,353,778.20 = 6,640,493.20/x
  3. Step 3: Cross multiply
    10,902,518.80x = 16,353,778.20 × 6,640,493.20
  4. Step 4: Simplify right side
    10,902,518.80x = 108,597,152,931,408.23
  5. Step 5: Solve for x
    x = 108,597,152,931,408.23/10,902,518.80
  6. Step 6: Final answer
    x = 9,960,739.80

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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.