Home / 18,803,269.50-25,940,481.33-12,991,962.15

Finding the Fourth Proportional to 18,803,269.50, 25,940,481.33 and 12,991,962.15

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Solution

The fourth proportional to 18,803,269.50, 25,940,481.33 and 12,991,962.15 is: 17,923,359.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,803,269.50 : 25,940,481.33 = 12,991,962.15 : x
  2. Step 2: Convert to fraction form
    18,803,269.50/25,940,481.33 = 12,991,962.15/x
  3. Step 3: Cross multiply
    18,803,269.50x = 25,940,481.33 × 12,991,962.15
  4. Step 4: Simplify right side
    18,803,269.50x = 337,017,751,592,141.62
  5. Step 5: Solve for x
    x = 337,017,751,592,141.62/18,803,269.50
  6. Step 6: Final answer
    x = 17,923,359.10

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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.