Home / 10,902,506.80-16,353,760.20-6,640,481.20

Finding the Fourth Proportional to 10,902,506.80, 16,353,760.20 and 6,640,481.20

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Solution

The fourth proportional to 10,902,506.80, 16,353,760.20 and 6,640,481.20 is: 9,960,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902,506.80 : 16,353,760.20 = 6,640,481.20 : x
  2. Step 2: Convert to fraction form
    10,902,506.80/16,353,760.20 = 6,640,481.20/x
  3. Step 3: Cross multiply
    10,902,506.80x = 16,353,760.20 × 6,640,481.20
  4. Step 4: Simplify right side
    10,902,506.80x = 108,596,837,157,408.23
  5. Step 5: Solve for x
    x = 108,596,837,157,408.23/10,902,506.80
  6. Step 6: Final answer
    x = 9,960,721.80

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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.