Home / 10,371,919.20-15,557,878.80-2,798,872.80

Finding the Fourth Proportional to 10,371,919.20, 15,557,878.80 and 2,798,872.80

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Solution

The fourth proportional to 10,371,919.20, 15,557,878.80 and 2,798,872.80 is: 4,198,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371,919.20 : 15,557,878.80 = 2,798,872.80 : x
  2. Step 2: Convert to fraction form
    10,371,919.20/15,557,878.80 = 2,798,872.80/x
  3. Step 3: Cross multiply
    10,371,919.20x = 15,557,878.80 × 2,798,872.80
  4. Step 4: Simplify right side
    10,371,919.20x = 43,544,523,799,016.64
  5. Step 5: Solve for x
    x = 43,544,523,799,016.64/10,371,919.20
  6. Step 6: Final answer
    x = 4,198,309.20

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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.