Home / 19,628,971.57-29,441,204.74-5,253,160.82

Finding the Fourth Proportional to 19,628,971.57, 29,441,204.74 and 5,253,160.82

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Solution

The fourth proportional to 19,628,971.57, 29,441,204.74 and 5,253,160.82 is: 7,879,138.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628,971.57 : 29,441,204.74 = 5,253,160.82 : x
  2. Step 2: Convert to fraction form
    19,628,971.57/29,441,204.74 = 5,253,160.82/x
  3. Step 3: Cross multiply
    19,628,971.57x = 29,441,204.74 × 5,253,160.82
  4. Step 4: Simplify right side
    19,628,971.57x = 154,659,383,207,500.50
  5. Step 5: Solve for x
    x = 154,659,383,207,500.50/19,628,971.57
  6. Step 6: Final answer
    x = 7,879,138.38

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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.