Home / 11,104,410.80-16,656,616.20-5,428,276.40

Finding the Fourth Proportional to 11,104,410.80, 16,656,616.20 and 5,428,276.40

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Solution

The fourth proportional to 11,104,410.80, 16,656,616.20 and 5,428,276.40 is: 8,142,414.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104,410.80 : 16,656,616.20 = 5,428,276.40 : x
  2. Step 2: Convert to fraction form
    11,104,410.80/16,656,616.20 = 5,428,276.40/x
  3. Step 3: Cross multiply
    11,104,410.80x = 16,656,616.20 × 5,428,276.40
  4. Step 4: Simplify right side
    11,104,410.80x = 90,416,716,622,317.69
  5. Step 5: Solve for x
    x = 90,416,716,622,317.69/11,104,410.80
  6. Step 6: Final answer
    x = 8,142,414.60

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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.