Home / 28,200,961.25-42,301,587.85-12,837,506.65

Finding the Fourth Proportional to 28,200,961.25, 42,301,587.85 and 12,837,506.65

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Solution

The fourth proportional to 28,200,961.25, 42,301,587.85 and 12,837,506.65 is: 19,256,326.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,200,961.25 : 42,301,587.85 = 12,837,506.65 : x
  2. Step 2: Convert to fraction form
    28,200,961.25/42,301,587.85 = 12,837,506.65/x
  3. Step 3: Cross multiply
    28,200,961.25x = 42,301,587.85 × 12,837,506.65
  4. Step 4: Simplify right side
    28,200,961.25x = 543,046,915,192,086.44
  5. Step 5: Solve for x
    x = 543,046,915,192,086.44/28,200,961.25
  6. Step 6: Final answer
    x = 19,256,326.42

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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.