Home / 11,505,788.20-17,264,903.10-5,117,026.60

Finding the Fourth Proportional to 11,505,788.20, 17,264,903.10 and 5,117,026.60

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Solution

The fourth proportional to 11,505,788.20, 17,264,903.10 and 5,117,026.60 is: 7,678,306.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,505,788.20 : 17,264,903.10 = 5,117,026.60 : x
  2. Step 2: Convert to fraction form
    11,505,788.20/17,264,903.10 = 5,117,026.60/x
  3. Step 3: Cross multiply
    11,505,788.20x = 17,264,903.10 × 5,117,026.60
  4. Step 4: Simplify right side
    11,505,788.20x = 88,344,968,409,122.47
  5. Step 5: Solve for x
    x = 88,344,968,409,122.47/11,505,788.20
  6. Step 6: Final answer
    x = 7,678,306.51

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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.