Home / 13,504,879.24-18,636,731.04-7,309,924.72

Finding the Fourth Proportional to 13,504,879.24, 18,636,731.04 and 7,309,924.72

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Solution

The fourth proportional to 13,504,879.24, 18,636,731.04 and 7,309,924.72 is: 10,087,694.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504,879.24 : 18,636,731.04 = 7,309,924.72 : x
  2. Step 2: Convert to fraction form
    13,504,879.24/18,636,731.04 = 7,309,924.72/x
  3. Step 3: Cross multiply
    13,504,879.24x = 18,636,731.04 × 7,309,924.72
  4. Step 4: Simplify right side
    13,504,879.24x = 136,233,100,929,287.30
  5. Step 5: Solve for x
    x = 136,233,100,929,287.30/13,504,879.24
  6. Step 6: Final answer
    x = 10,087,694.86

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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.