Home / 13,305,983.90-19,958,975.85-11,962,291.10

Finding the Fourth Proportional to 13,305,983.90, 19,958,975.85 and 11,962,291.10

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Solution

The fourth proportional to 13,305,983.90, 19,958,975.85 and 11,962,291.10 is: 17,943,436.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,983.90 : 19,958,975.85 = 11,962,291.10 : x
  2. Step 2: Convert to fraction form
    13,305,983.90/19,958,975.85 = 11,962,291.10/x
  3. Step 3: Cross multiply
    13,305,983.90x = 19,958,975.85 × 11,962,291.10
  4. Step 4: Simplify right side
    13,305,983.90x = 238,755,079,175,569.94
  5. Step 5: Solve for x
    x = 238,755,079,175,569.94/13,305,983.90
  6. Step 6: Final answer
    x = 17,943,436.65

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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.