Home / 7,422,431.20-11,127,166.80-2,876,581.60

Finding the Fourth Proportional to 7,422,431.20, 11,127,166.80 and 2,876,581.60

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Solution

The fourth proportional to 7,422,431.20, 11,127,166.80 and 2,876,581.60 is: 4,312,361.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422,431.20 : 11,127,166.80 = 2,876,581.60 : x
  2. Step 2: Convert to fraction form
    7,422,431.20/11,127,166.80 = 2,876,581.60/x
  3. Step 3: Cross multiply
    7,422,431.20x = 11,127,166.80 × 2,876,581.60
  4. Step 4: Simplify right side
    7,422,431.20x = 32,008,203,277,010.88
  5. Step 5: Solve for x
    x = 32,008,203,277,010.88/7,422,431.20
  6. Step 6: Final answer
    x = 4,312,361.06

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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.