Home / 11,177,712.80-16,786,844.40-9,784,253.60

Finding the Fourth Proportional to 11,177,712.80, 16,786,844.40 and 9,784,253.60

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Solution

The fourth proportional to 11,177,712.80, 16,786,844.40 and 9,784,253.60 is: 14,694,128.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177,712.80 : 16,786,844.40 = 9,784,253.60 : x
  2. Step 2: Convert to fraction form
    11,177,712.80/16,786,844.40 = 9,784,253.60/x
  3. Step 3: Cross multiply
    11,177,712.80x = 16,786,844.40 × 9,784,253.60
  4. Step 4: Simplify right side
    11,177,712.80x = 164,246,742,753,339.81
  5. Step 5: Solve for x
    x = 164,246,742,753,339.81/11,177,712.80
  6. Step 6: Final answer
    x = 14,694,128.01

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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.