Home / 13,991,137.82-20,970,787.03-8,514,152.92

Finding the Fourth Proportional to 13,991,137.82, 20,970,787.03 and 8,514,152.92

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Solution

The fourth proportional to 13,991,137.82, 20,970,787.03 and 8,514,152.92 is: 12,761,541.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,991,137.82 : 20,970,787.03 = 8,514,152.92 : x
  2. Step 2: Convert to fraction form
    13,991,137.82/20,970,787.03 = 8,514,152.92/x
  3. Step 3: Cross multiply
    13,991,137.82x = 20,970,787.03 × 8,514,152.92
  4. Step 4: Simplify right side
    13,991,137.82x = 178,548,487,552,460.28
  5. Step 5: Solve for x
    x = 178,548,487,552,460.28/13,991,137.82
  6. Step 6: Final answer
    x = 12,761,541.62

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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.