Home / 28,063,617.70-42,086,678.55-11,029,512.10

Finding the Fourth Proportional to 28,063,617.70, 42,086,678.55 and 11,029,512.10

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Solution

The fourth proportional to 28,063,617.70, 42,086,678.55 and 11,029,512.10 is: 16,540,830.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,063,617.70 : 42,086,678.55 = 11,029,512.10 : x
  2. Step 2: Convert to fraction form
    28,063,617.70/42,086,678.55 = 11,029,512.10/x
  3. Step 3: Cross multiply
    28,063,617.70x = 42,086,678.55 × 11,029,512.10
  4. Step 4: Simplify right side
    28,063,617.70x = 464,195,530,316,035.44
  5. Step 5: Solve for x
    x = 464,195,530,316,035.44/28,063,617.70
  6. Step 6: Final answer
    x = 16,540,830.03

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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.