Home / 10,860,806.80-16,291,210.20-3,287,772.55

Finding the Fourth Proportional to 10,860,806.80, 16,291,210.20 and 3,287,772.55

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Solution

The fourth proportional to 10,860,806.80, 16,291,210.20 and 3,287,772.55 is: 4,931,658.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860,806.80 : 16,291,210.20 = 3,287,772.55 : x
  2. Step 2: Convert to fraction form
    10,860,806.80/16,291,210.20 = 3,287,772.55/x
  3. Step 3: Cross multiply
    10,860,806.80x = 16,291,210.20 × 3,287,772.55
  4. Step 4: Simplify right side
    10,860,806.80x = 53,561,793,701,840.01
  5. Step 5: Solve for x
    x = 53,561,793,701,840.01/10,860,806.80
  6. Step 6: Final answer
    x = 4,931,658.83

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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.