Home / 13,603,991.12-18,772,118.52-8,376,169.04

Finding the Fourth Proportional to 13,603,991.12, 18,772,118.52 and 8,376,169.04

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Solution

The fourth proportional to 13,603,991.12, 18,772,118.52 and 8,376,169.04 is: 11,558,257.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,603,991.12 : 18,772,118.52 = 8,376,169.04 : x
  2. Step 2: Convert to fraction form
    13,603,991.12/18,772,118.52 = 8,376,169.04/x
  3. Step 3: Cross multiply
    13,603,991.12x = 18,772,118.52 × 8,376,169.04
  4. Step 4: Simplify right side
    13,603,991.12x = 157,238,437,962,434.62
  5. Step 5: Solve for x
    x = 157,238,437,962,434.62/13,603,991.12
  6. Step 6: Final answer
    x = 11,558,257.91

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