Home / 14,562,899.20-21,858,345.60-7,382,540.80

Finding the Fourth Proportional to 14,562,899.20, 21,858,345.60 and 7,382,540.80

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Solution

The fourth proportional to 14,562,899.20, 21,858,345.60 and 7,382,540.80 is: 11,080,906.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,562,899.20 : 21,858,345.60 = 7,382,540.80 : x
  2. Step 2: Convert to fraction form
    14,562,899.20/21,858,345.60 = 7,382,540.80/x
  3. Step 3: Cross multiply
    14,562,899.20x = 21,858,345.60 × 7,382,540.80
  4. Step 4: Simplify right side
    14,562,899.20x = 161,370,128,212,500.50
  5. Step 5: Solve for x
    x = 161,370,128,212,500.50/14,562,899.20
  6. Step 6: Final answer
    x = 11,080,906.76

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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.