Home / 13,954,996.80-20,916,943.20-5,432,500.80

Finding the Fourth Proportional to 13,954,996.80, 20,916,943.20 and 5,432,500.80

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Solution

The fourth proportional to 13,954,996.80, 20,916,943.20 and 5,432,500.80 is: 8,142,697.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954,996.80 : 20,916,943.20 = 5,432,500.80 : x
  2. Step 2: Convert to fraction form
    13,954,996.80/20,916,943.20 = 5,432,500.80/x
  3. Step 3: Cross multiply
    13,954,996.80x = 20,916,943.20 × 5,432,500.80
  4. Step 4: Simplify right side
    13,954,996.80x = 113,631,310,667,554.55
  5. Step 5: Solve for x
    x = 113,631,310,667,554.55/13,954,996.80
  6. Step 6: Final answer
    x = 8,142,697.01

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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.