Home / 5,071,765.04-6,999,753.48-3,138,648.38

Finding the Fourth Proportional to 5,071,765.04, 6,999,753.48 and 3,138,648.38

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Solution

The fourth proportional to 5,071,765.04, 6,999,753.48 and 3,138,648.38 is: 4,331,778.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071,765.04 : 6,999,753.48 = 3,138,648.38 : x
  2. Step 2: Convert to fraction form
    5,071,765.04/6,999,753.48 = 3,138,648.38/x
  3. Step 3: Cross multiply
    5,071,765.04x = 6,999,753.48 × 3,138,648.38
  4. Step 4: Simplify right side
    5,071,765.04x = 21,969,764,914,671.91
  5. Step 5: Solve for x
    x = 21,969,764,914,671.91/5,071,765.04
  6. Step 6: Final answer
    x = 4,331,778.93

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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.