Home / 31,304,163.76-46,934,243.48-13,788,408.15

Finding the Fourth Proportional to 31,304,163.76, 46,934,243.48 and 13,788,408.15

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Solution

The fourth proportional to 31,304,163.76, 46,934,243.48 and 13,788,408.15 is: 20,672,921.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,304,163.76 : 46,934,243.48 = 13,788,408.15 : x
  2. Step 2: Convert to fraction form
    31,304,163.76/46,934,243.48 = 13,788,408.15/x
  3. Step 3: Cross multiply
    31,304,163.76x = 46,934,243.48 × 13,788,408.15
  4. Step 4: Simplify right side
    31,304,163.76x = 647,148,505,348,187.38
  5. Step 5: Solve for x
    x = 647,148,505,348,187.38/31,304,163.76
  6. Step 6: Final answer
    x = 20,672,921.03

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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.