Home / 7,866,836.15-11,800,254.22-2,821,689.59

Finding the Fourth Proportional to 7,866,836.15, 11,800,254.22 and 2,821,689.59

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Solution

The fourth proportional to 7,866,836.15, 11,800,254.22 and 2,821,689.59 is: 4,232,534.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,866,836.15 : 11,800,254.22 = 2,821,689.59 : x
  2. Step 2: Convert to fraction form
    7,866,836.15/11,800,254.22 = 2,821,689.59/x
  3. Step 3: Cross multiply
    7,866,836.15x = 11,800,254.22 × 2,821,689.59
  4. Step 4: Simplify right side
    7,866,836.15x = 33,296,654,425,872.07
  5. Step 5: Solve for x
    x = 33,296,654,425,872.07/7,866,836.15
  6. Step 6: Final answer
    x = 4,232,534.38

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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.