Home / 11,071,143.60-16,606,715.40-3,890,785.20

Finding the Fourth Proportional to 11,071,143.60, 16,606,715.40 and 3,890,785.20

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Solution

The fourth proportional to 11,071,143.60, 16,606,715.40 and 3,890,785.20 is: 5,836,177.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071,143.60 : 16,606,715.40 = 3,890,785.20 : x
  2. Step 2: Convert to fraction form
    11,071,143.60/16,606,715.40 = 3,890,785.20/x
  3. Step 3: Cross multiply
    11,071,143.60x = 16,606,715.40 × 3,890,785.20
  4. Step 4: Simplify right side
    11,071,143.60x = 64,613,162,498,932.09
  5. Step 5: Solve for x
    x = 64,613,162,498,932.09/11,071,143.60
  6. Step 6: Final answer
    x = 5,836,177.80

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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.