Home / 6,620,263.31-9,136,728.77-3,867,638.82

Finding the Fourth Proportional to 6,620,263.31, 9,136,728.77 and 3,867,638.82

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Solution

The fourth proportional to 6,620,263.31, 9,136,728.77 and 3,867,638.82 is: 5,337,788.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620,263.31 : 9,136,728.77 = 3,867,638.82 : x
  2. Step 2: Convert to fraction form
    6,620,263.31/9,136,728.77 = 3,867,638.82/x
  3. Step 3: Cross multiply
    6,620,263.31x = 9,136,728.77 × 3,867,638.82
  4. Step 4: Simplify right side
    6,620,263.31x = 35,337,566,859,324.66
  5. Step 5: Solve for x
    x = 35,337,566,859,324.66/6,620,263.31
  6. Step 6: Final answer
    x = 5,337,788.73

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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.