Home / 15,068,880.96-20,794,899.36-11,218,620.48

Finding the Fourth Proportional to 15,068,880.96, 20,794,899.36 and 11,218,620.48

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Solution

The fourth proportional to 15,068,880.96, 20,794,899.36 and 11,218,620.48 is: 15,481,579.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,068,880.96 : 20,794,899.36 = 11,218,620.48 : x
  2. Step 2: Convert to fraction form
    15,068,880.96/20,794,899.36 = 11,218,620.48/x
  3. Step 3: Cross multiply
    15,068,880.96x = 20,794,899.36 × 11,218,620.48
  4. Step 4: Simplify right side
    15,068,880.96x = 233,290,083,839,634.91
  5. Step 5: Solve for x
    x = 233,290,083,839,634.91/15,068,880.96
  6. Step 6: Final answer
    x = 15,481,579.85

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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.