Home / 18,651,941.48-27,977,962.14-5,188,770.92

Finding the Fourth Proportional to 18,651,941.48, 27,977,962.14 and 5,188,770.92

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Solution

The fourth proportional to 18,651,941.48, 27,977,962.14 and 5,188,770.92 is: 7,783,170.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,651,941.48 : 27,977,962.14 = 5,188,770.92 : x
  2. Step 2: Convert to fraction form
    18,651,941.48/27,977,962.14 = 5,188,770.92/x
  3. Step 3: Cross multiply
    18,651,941.48x = 27,977,962.14 × 5,188,770.92
  4. Step 4: Simplify right side
    18,651,941.48x = 145,171,236,352,892.97
  5. Step 5: Solve for x
    x = 145,171,236,352,892.97/18,651,941.48
  6. Step 6: Final answer
    x = 7,783,170.27

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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.