Home / 13,786,468.80-20,679,703.20-10,931,121.60

Finding the Fourth Proportional to 13,786,468.80, 20,679,703.20 and 10,931,121.60

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Solution

The fourth proportional to 13,786,468.80, 20,679,703.20 and 10,931,121.60 is: 16,396,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786,468.80 : 20,679,703.20 = 10,931,121.60 : x
  2. Step 2: Convert to fraction form
    13,786,468.80/20,679,703.20 = 10,931,121.60/x
  3. Step 3: Cross multiply
    13,786,468.80x = 20,679,703.20 × 10,931,121.60
  4. Step 4: Simplify right side
    13,786,468.80x = 226,052,350,331,109.09
  5. Step 5: Solve for x
    x = 226,052,350,331,109.09/13,786,468.80
  6. Step 6: Final answer
    x = 16,396,682.40

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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.