Home / 19,372,699.53-29,059,086.15-18,188,914.68

Finding the Fourth Proportional to 19,372,699.53, 29,059,086.15 and 18,188,914.68

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Solution

The fourth proportional to 19,372,699.53, 29,059,086.15 and 18,188,914.68 is: 27,283,406.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372,699.53 : 29,059,086.15 = 18,188,914.68 : x
  2. Step 2: Convert to fraction form
    19,372,699.53/29,059,086.15 = 18,188,914.68/x
  3. Step 3: Cross multiply
    19,372,699.53x = 29,059,086.15 × 18,188,914.68
  4. Step 4: Simplify right side
    19,372,699.53x = 528,553,238,661,119.62
  5. Step 5: Solve for x
    x = 528,553,238,661,119.62/19,372,699.53
  6. Step 6: Final answer
    x = 27,283,406.62

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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.