Home / 5,071,765.10-6,999,753.57-3,138,648.44

Finding the Fourth Proportional to 5,071,765.10, 6,999,753.57 and 3,138,648.44

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Solution

The fourth proportional to 5,071,765.10, 6,999,753.57 and 3,138,648.44 is: 4,331,779.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071,765.10 : 6,999,753.57 = 3,138,648.44 : x
  2. Step 2: Convert to fraction form
    5,071,765.10/6,999,753.57 = 3,138,648.44/x
  3. Step 3: Cross multiply
    5,071,765.10x = 6,999,753.57 × 3,138,648.44
  4. Step 4: Simplify right side
    5,071,765.10x = 21,969,765,622,864.93
  5. Step 5: Solve for x
    x = 21,969,765,622,864.93/5,071,765.10
  6. Step 6: Final answer
    x = 4,331,779.01

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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.