Home / 5,255,129.72-7,893,894.78-4,947,973.82

Finding the Fourth Proportional to 5,255,129.72, 7,893,894.78 and 4,947,973.82

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Solution

The fourth proportional to 5,255,129.72, 7,893,894.78 and 4,947,973.82 is: 7,432,506.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255,129.72 : 7,893,894.78 = 4,947,973.82 : x
  2. Step 2: Convert to fraction form
    5,255,129.72/7,893,894.78 = 4,947,973.82/x
  3. Step 3: Cross multiply
    5,255,129.72x = 7,893,894.78 × 4,947,973.82
  4. Step 4: Simplify right side
    5,255,129.72x = 39,058,784,709,274.66
  5. Step 5: Solve for x
    x = 39,058,784,709,274.66/5,255,129.72
  6. Step 6: Final answer
    x = 7,432,506.29

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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.