Home / 11,104,400.80-16,656,601.20-5,428,266.40

Finding the Fourth Proportional to 11,104,400.80, 16,656,601.20 and 5,428,266.40

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Solution

The fourth proportional to 11,104,400.80, 16,656,601.20 and 5,428,266.40 is: 8,142,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104,400.80 : 16,656,601.20 = 5,428,266.40 : x
  2. Step 2: Convert to fraction form
    11,104,400.80/16,656,601.20 = 5,428,266.40/x
  3. Step 3: Cross multiply
    11,104,400.80x = 16,656,601.20 × 5,428,266.40
  4. Step 4: Simplify right side
    11,104,400.80x = 90,416,468,632,159.69
  5. Step 5: Solve for x
    x = 90,416,468,632,159.69/11,104,400.80
  6. Step 6: Final answer
    x = 8,142,399.60

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1.5x scale

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.