Home / 7,873,329.20-11,809,993.80-3,892,017.20

Finding the Fourth Proportional to 7,873,329.20, 11,809,993.80 and 3,892,017.20

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Solution

The fourth proportional to 7,873,329.20, 11,809,993.80 and 3,892,017.20 is: 5,838,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873,329.20 : 11,809,993.80 = 3,892,017.20 : x
  2. Step 2: Convert to fraction form
    7,873,329.20/11,809,993.80 = 3,892,017.20/x
  3. Step 3: Cross multiply
    7,873,329.20x = 11,809,993.80 × 3,892,017.20
  4. Step 4: Simplify right side
    7,873,329.20x = 45,964,699,001,493.37
  5. Step 5: Solve for x
    x = 45,964,699,001,493.37/7,873,329.20
  6. Step 6: Final answer
    x = 5,838,025.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.