Home / 21,933,734.49-30,269,499.20-12,144,178.61

Finding the Fourth Proportional to 21,933,734.49, 30,269,499.20 and 12,144,178.61

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Solution

The fourth proportional to 21,933,734.49, 30,269,499.20 and 12,144,178.61 is: 16,759,490.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,933,734.49 : 30,269,499.20 = 12,144,178.61 : x
  2. Step 2: Convert to fraction form
    21,933,734.49/30,269,499.20 = 12,144,178.61/x
  3. Step 3: Cross multiply
    21,933,734.49x = 30,269,499.20 × 12,144,178.61
  4. Step 4: Simplify right side
    21,933,734.49x = 367,598,204,507,983.75
  5. Step 5: Solve for x
    x = 367,598,204,507,983.75/21,933,734.49
  6. Step 6: Final answer
    x = 16,759,490.03

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Why These Related Problems?

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