Home / 11,177,707.80-16,786,836.90-9,784,248.60

Finding the Fourth Proportional to 11,177,707.80, 16,786,836.90 and 9,784,248.60

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Solution

The fourth proportional to 11,177,707.80, 16,786,836.90 and 9,784,248.60 is: 14,694,120.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177,707.80 : 16,786,836.90 = 9,784,248.60 : x
  2. Step 2: Convert to fraction form
    11,177,707.80/16,786,836.90 = 9,784,248.60/x
  3. Step 3: Cross multiply
    11,177,707.80x = 16,786,836.90 × 9,784,248.60
  4. Step 4: Simplify right side
    11,177,707.80x = 164,246,585,437,253.31
  5. Step 5: Solve for x
    x = 164,246,585,437,253.31/11,177,707.80
  6. Step 6: Final answer
    x = 14,694,120.51

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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.