Home / 19,628,968.44-29,441,200.05-5,253,157.71

Finding the Fourth Proportional to 19,628,968.44, 29,441,200.05 and 5,253,157.71

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Solution

The fourth proportional to 19,628,968.44, 29,441,200.05 and 5,253,157.71 is: 7,879,133.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628,968.44 : 29,441,200.05 = 5,253,157.71 : x
  2. Step 2: Convert to fraction form
    19,628,968.44/29,441,200.05 = 5,253,157.71/x
  3. Step 3: Cross multiply
    19,628,968.44x = 29,441,200.05 × 5,253,157.71
  4. Step 4: Simplify right side
    19,628,968.44x = 154,659,267,034,309.88
  5. Step 5: Solve for x
    x = 154,659,267,034,309.88/19,628,968.44
  6. Step 6: Final answer
    x = 7,879,133.72

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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.