Home / 13,480,930.80-20,179,405.80-9,701,794.80

Finding the Fourth Proportional to 13,480,930.80, 20,179,405.80 and 9,701,794.80

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Solution

The fourth proportional to 13,480,930.80, 20,179,405.80 and 9,701,794.80 is: 14,522,473.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,930.80 : 20,179,405.80 = 9,701,794.80 : x
  2. Step 2: Convert to fraction form
    13,480,930.80/20,179,405.80 = 9,701,794.80/x
  3. Step 3: Cross multiply
    13,480,930.80x = 20,179,405.80 × 9,701,794.80
  4. Step 4: Simplify right side
    13,480,930.80x = 195,776,454,257,529.88
  5. Step 5: Solve for x
    x = 195,776,454,257,529.88/13,480,930.80
  6. Step 6: Final answer
    x = 14,522,473.05

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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.