Home / 13,954,992.30-20,916,936.45-5,432,496.30

Finding the Fourth Proportional to 13,954,992.30, 20,916,936.45 and 5,432,496.30

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Solution

The fourth proportional to 13,954,992.30, 20,916,936.45 and 5,432,496.30 is: 8,142,690.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954,992.30 : 20,916,936.45 = 5,432,496.30 : x
  2. Step 2: Convert to fraction form
    13,954,992.30/20,916,936.45 = 5,432,496.30/x
  3. Step 3: Cross multiply
    13,954,992.30x = 20,916,936.45 × 5,432,496.30
  4. Step 4: Simplify right side
    13,954,992.30x = 113,631,179,871,960.12
  5. Step 5: Solve for x
    x = 113,631,179,871,960.12/13,954,992.30
  6. Step 6: Final answer
    x = 8,142,690.26

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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.