Home / 28,080,987.80-42,125,418.30-11,037,696.80

Finding the Fourth Proportional to 28,080,987.80, 42,125,418.30 and 11,037,696.80

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Solution

The fourth proportional to 28,080,987.80, 42,125,418.30 and 11,037,696.80 is: 16,558,092.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080,987.80 : 42,125,418.30 = 11,037,696.80 : x
  2. Step 2: Convert to fraction form
    28,080,987.80/42,125,418.30 = 11,037,696.80/x
  3. Step 3: Cross multiply
    28,080,987.80x = 42,125,418.30 × 11,037,696.80
  4. Step 4: Simplify right side
    28,080,987.80x = 464,967,594,768,571.44
  5. Step 5: Solve for x
    x = 464,967,594,768,571.44/28,080,987.80
  6. Step 6: Final answer
    x = 16,558,092.55

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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.