Home / 20,592,277.10-28,419,863.68-11,890,439.20

Finding the Fourth Proportional to 20,592,277.10, 28,419,863.68 and 11,890,439.20

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Solution

The fourth proportional to 20,592,277.10, 28,419,863.68 and 11,890,439.20 is: 16,410,261.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,592,277.10 : 28,419,863.68 = 11,890,439.20 : x
  2. Step 2: Convert to fraction form
    20,592,277.10/28,419,863.68 = 11,890,439.20/x
  3. Step 3: Cross multiply
    20,592,277.10x = 28,419,863.68 × 11,890,439.20
  4. Step 4: Simplify right side
    20,592,277.10x = 337,924,661,159,328.25
  5. Step 5: Solve for x
    x = 337,924,661,159,328.25/20,592,277.10
  6. Step 6: Final answer
    x = 16,410,261.94

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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.