Home / 11,170,880.80-16,756,321.20-7,344,505.60

Finding the Fourth Proportional to 11,170,880.80, 16,756,321.20 and 7,344,505.60

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Solution

The fourth proportional to 11,170,880.80, 16,756,321.20 and 7,344,505.60 is: 11,016,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,170,880.80 : 16,756,321.20 = 7,344,505.60 : x
  2. Step 2: Convert to fraction form
    11,170,880.80/16,756,321.20 = 7,344,505.60/x
  3. Step 3: Cross multiply
    11,170,880.80x = 16,756,321.20 × 7,344,505.60
  4. Step 4: Simplify right side
    11,170,880.80x = 123,066,894,888,798.70
  5. Step 5: Solve for x
    x = 123,066,894,888,798.70/11,170,880.80
  6. Step 6: Final answer
    x = 11,016,758.40

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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.