Home / 5,112,835.12-7,058,269.28-3,179,718.48

Finding the Fourth Proportional to 5,112,835.12, 7,058,269.28 and 3,179,718.48

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Solution

The fourth proportional to 5,112,835.12, 7,058,269.28 and 3,179,718.48 is: 4,389,601.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,835.12 : 7,058,269.28 = 3,179,718.48 : x
  2. Step 2: Convert to fraction form
    5,112,835.12/7,058,269.28 = 3,179,718.48/x
  3. Step 3: Cross multiply
    5,112,835.12x = 7,058,269.28 × 3,179,718.48
  4. Step 4: Simplify right side
    5,112,835.12x = 22,443,309,266,432.30
  5. Step 5: Solve for x
    x = 22,443,309,266,432.30/5,112,835.12
  6. Step 6: Final answer
    x = 4,389,601.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.