Home / 6,378,137.10-8,805,410.92-4,420,859.58

Finding the Fourth Proportional to 6,378,137.10, 8,805,410.92 and 4,420,859.58

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Solution

The fourth proportional to 6,378,137.10, 8,805,410.92 and 4,420,859.58 is: 6,103,268.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378,137.10 : 8,805,410.92 = 4,420,859.58 : x
  2. Step 2: Convert to fraction form
    6,378,137.10/8,805,410.92 = 4,420,859.58/x
  3. Step 3: Cross multiply
    6,378,137.10x = 8,805,410.92 × 4,420,859.58
  4. Step 4: Simplify right side
    6,378,137.10x = 38,927,485,221,518.62
  5. Step 5: Solve for x
    x = 38,927,485,221,518.62/6,378,137.10
  6. Step 6: Final answer
    x = 6,103,268.81

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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.