Home / 7,339,200.80-11,008,801.20-3,979,968.80

Finding the Fourth Proportional to 7,339,200.80, 11,008,801.20 and 3,979,968.80

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Solution

The fourth proportional to 7,339,200.80, 11,008,801.20 and 3,979,968.80 is: 5,969,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339,200.80 : 11,008,801.20 = 3,979,968.80 : x
  2. Step 2: Convert to fraction form
    7,339,200.80/11,008,801.20 = 3,979,968.80/x
  3. Step 3: Cross multiply
    7,339,200.80x = 11,008,801.20 × 3,979,968.80
  4. Step 4: Simplify right side
    7,339,200.80x = 43,814,685,301,402.55
  5. Step 5: Solve for x
    x = 43,814,685,301,402.55/7,339,200.80
  6. Step 6: Final answer
    x = 5,969,953.20

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Double scale
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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.