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Finding the Fourth Proportional to 7,009,998, 9,673,797.78 and 3,790,734

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Solution

The fourth proportional to 7,009,998, 9,673,797.78 and 3,790,734 is: 5,231,213.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009,998 : 9,673,797.78 = 3,790,734 : x
  2. Step 2: Convert to fraction form
    7,009,998/9,673,797.78 = 3,790,734/x
  3. Step 3: Cross multiply
    7,009,998x = 9,673,797.78 × 3,790,734
  4. Step 4: Simplify right side
    7,009,998x = 36,670,794,153,770.52
  5. Step 5: Solve for x
    x = 36,670,794,153,770.52/7,009,998
  6. Step 6: Final answer
    x = 5,231,213.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.