Home / 11,829,814.80-17,744,722.20-7,790,863.20

Finding the Fourth Proportional to 11,829,814.80, 17,744,722.20 and 7,790,863.20

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Solution

The fourth proportional to 11,829,814.80, 17,744,722.20 and 7,790,863.20 is: 11,686,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,829,814.80 : 17,744,722.20 = 7,790,863.20 : x
  2. Step 2: Convert to fraction form
    11,829,814.80/17,744,722.20 = 7,790,863.20/x
  3. Step 3: Cross multiply
    11,829,814.80x = 17,744,722.20 × 7,790,863.20
  4. Step 4: Simplify right side
    11,829,814.80x = 138,246,703,182,203.03
  5. Step 5: Solve for x
    x = 138,246,703,182,203.03/11,829,814.80
  6. Step 6: Final answer
    x = 11,686,294.80

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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.