Home / 7,422,005.20-11,129,498.88-2,875,183.60

Finding the Fourth Proportional to 7,422,005.20, 11,129,498.88 and 2,875,183.60

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Solution

The fourth proportional to 7,422,005.20, 11,129,498.88 and 2,875,183.60 is: 4,311,416.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422,005.20 : 11,129,498.88 = 2,875,183.60 : x
  2. Step 2: Convert to fraction form
    7,422,005.20/11,129,498.88 = 2,875,183.60/x
  3. Step 3: Cross multiply
    7,422,005.20x = 11,129,498.88 × 2,875,183.60
  4. Step 4: Simplify right side
    7,422,005.20x = 31,999,352,655,994.37
  5. Step 5: Solve for x
    x = 31,999,352,655,994.37/7,422,005.20
  6. Step 6: Final answer
    x = 4,311,416.09

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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.