Home / 21,833,179.56-30,129,255.72-12,043,409.40

Finding the Fourth Proportional to 21,833,179.56, 30,129,255.72 and 12,043,409.40

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Solution

The fourth proportional to 21,833,179.56, 30,129,255.72 and 12,043,409.40 is: 16,619,611.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,833,179.56 : 30,129,255.72 = 12,043,409.40 : x
  2. Step 2: Convert to fraction form
    21,833,179.56/30,129,255.72 = 12,043,409.40/x
  3. Step 3: Cross multiply
    21,833,179.56x = 30,129,255.72 × 12,043,409.40
  4. Step 4: Simplify right side
    21,833,179.56x = 362,858,961,553,251.75
  5. Step 5: Solve for x
    x = 362,858,961,553,251.75/21,833,179.56
  6. Step 6: Final answer
    x = 16,619,611.48

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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.