Home / 11,347,892.20-17,021,838.30-7,764,711.40

Finding the Fourth Proportional to 11,347,892.20, 17,021,838.30 and 7,764,711.40

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Solution

The fourth proportional to 11,347,892.20, 17,021,838.30 and 7,764,711.40 is: 11,647,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347,892.20 : 17,021,838.30 = 7,764,711.40 : x
  2. Step 2: Convert to fraction form
    11,347,892.20/17,021,838.30 = 7,764,711.40/x
  3. Step 3: Cross multiply
    11,347,892.20x = 17,021,838.30 × 7,764,711.40
  4. Step 4: Simplify right side
    11,347,892.20x = 132,169,661,896,966.62
  5. Step 5: Solve for x
    x = 132,169,661,896,966.62/11,347,892.20
  6. Step 6: Final answer
    x = 11,647,067.10

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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.