Home / 13,863,102.40-20,796,043.20-4,764,001.60

Finding the Fourth Proportional to 13,863,102.40, 20,796,043.20 and 4,764,001.60

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Solution

The fourth proportional to 13,863,102.40, 20,796,043.20 and 4,764,001.60 is: 7,146,479.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,863,102.40 : 20,796,043.20 = 4,764,001.60 : x
  2. Step 2: Convert to fraction form
    13,863,102.40/20,796,043.20 = 4,764,001.60/x
  3. Step 3: Cross multiply
    13,863,102.40x = 20,796,043.20 × 4,764,001.60
  4. Step 4: Simplify right side
    13,863,102.40x = 99,072,383,078,469.11
  5. Step 5: Solve for x
    x = 99,072,383,078,469.11/13,863,102.40
  6. Step 6: Final answer
    x = 7,146,479.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.