Home / 10,798,841.10-16,198,261.65-7,929,059.70

Finding the Fourth Proportional to 10,798,841.10, 16,198,261.65 and 7,929,059.70

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Solution

The fourth proportional to 10,798,841.10, 16,198,261.65 and 7,929,059.70 is: 11,893,589.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,798,841.10 : 16,198,261.65 = 7,929,059.70 : x
  2. Step 2: Convert to fraction form
    10,798,841.10/16,198,261.65 = 7,929,059.70/x
  3. Step 3: Cross multiply
    10,798,841.10x = 16,198,261.65 × 7,929,059.70
  4. Step 4: Simplify right side
    10,798,841.10x = 128,436,983,659,070.52
  5. Step 5: Solve for x
    x = 128,436,983,659,070.52/10,798,841.10
  6. Step 6: Final answer
    x = 11,893,589.55

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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.