Home / 5,255,128.72-7,893,893.28-4,947,972.82

Finding the Fourth Proportional to 5,255,128.72, 7,893,893.28 and 4,947,972.82

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Solution

The fourth proportional to 5,255,128.72, 7,893,893.28 and 4,947,972.82 is: 7,432,504.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255,128.72 : 7,893,893.28 = 4,947,972.82 : x
  2. Step 2: Convert to fraction form
    5,255,128.72/7,893,893.28 = 4,947,972.82/x
  3. Step 3: Cross multiply
    5,255,128.72x = 7,893,893.28 × 4,947,972.82
  4. Step 4: Simplify right side
    5,255,128.72x = 39,058,769,393,420.66
  5. Step 5: Solve for x
    x = 39,058,769,393,420.66/5,255,128.72
  6. Step 6: Final answer
    x = 7,432,504.79

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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.