Home / 11,668,816.20-17,503,224.30-7,427,785.80

Finding the Fourth Proportional to 11,668,816.20, 17,503,224.30 and 7,427,785.80

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Solution

The fourth proportional to 11,668,816.20, 17,503,224.30 and 7,427,785.80 is: 11,141,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,668,816.20 : 17,503,224.30 = 7,427,785.80 : x
  2. Step 2: Convert to fraction form
    11,668,816.20/17,503,224.30 = 7,427,785.80/x
  3. Step 3: Cross multiply
    11,668,816.20x = 17,503,224.30 × 7,427,785.80
  4. Step 4: Simplify right side
    11,668,816.20x = 130,010,200,909,754.94
  5. Step 5: Solve for x
    x = 130,010,200,909,754.94/11,668,816.20
  6. Step 6: Final answer
    x = 11,141,678.70

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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.