Home / 21,933,527.72-30,269,213.94-12,143,971.60

Finding the Fourth Proportional to 21,933,527.72, 30,269,213.94 and 12,143,971.60

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Solution

The fourth proportional to 21,933,527.72, 30,269,213.94 and 12,143,971.60 is: 16,759,204.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,933,527.72 : 30,269,213.94 = 12,143,971.60 : x
  2. Step 2: Convert to fraction form
    21,933,527.72/30,269,213.94 = 12,143,971.60/x
  3. Step 3: Cross multiply
    21,933,527.72x = 30,269,213.94 × 12,143,971.60
  4. Step 4: Simplify right side
    21,933,527.72x = 367,588,474,441,684.12
  5. Step 5: Solve for x
    x = 367,588,474,441,684.12/21,933,527.72
  6. Step 6: Final answer
    x = 16,759,204.41

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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.