Home / 11,829,708.30-17,744,562.45-7,790,756.70

Finding the Fourth Proportional to 11,829,708.30, 17,744,562.45 and 7,790,756.70

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Solution

The fourth proportional to 11,829,708.30, 17,744,562.45 and 7,790,756.70 is: 11,686,135.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,829,708.30 : 17,744,562.45 = 7,790,756.70 : x
  2. Step 2: Convert to fraction form
    11,829,708.30/17,744,562.45 = 7,790,756.70/x
  3. Step 3: Cross multiply
    11,829,708.30x = 17,744,562.45 × 7,790,756.70
  4. Step 4: Simplify right side
    11,829,708.30x = 138,243,568,795,905.91
  5. Step 5: Solve for x
    x = 138,243,568,795,905.91/11,829,708.30
  6. Step 6: Final answer
    x = 11,686,135.05

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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.