Home / 28,063,619.20-42,086,680.80-11,029,513.60

Finding the Fourth Proportional to 28,063,619.20, 42,086,680.80 and 11,029,513.60

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Solution

The fourth proportional to 28,063,619.20, 42,086,680.80 and 11,029,513.60 is: 16,540,832.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,063,619.20 : 42,086,680.80 = 11,029,513.60 : x
  2. Step 2: Convert to fraction form
    28,063,619.20/42,086,680.80 = 11,029,513.60/x
  3. Step 3: Cross multiply
    28,063,619.20x = 42,086,680.80 × 11,029,513.60
  4. Step 4: Simplify right side
    28,063,619.20x = 464,195,618,262,458.81
  5. Step 5: Solve for x
    x = 464,195,618,262,458.81/28,063,619.20
  6. Step 6: Final answer
    x = 16,540,832.28

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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.