Home / 13,762,687.23-18,992,820.59-7,568,078.07

Finding the Fourth Proportional to 13,762,687.23, 18,992,820.59 and 7,568,078.07

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Solution

The fourth proportional to 13,762,687.23, 18,992,820.59 and 7,568,078.07 is: 10,444,119.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762,687.23 : 18,992,820.59 = 7,568,078.07 : x
  2. Step 2: Convert to fraction form
    13,762,687.23/18,992,820.59 = 7,568,078.07/x
  3. Step 3: Cross multiply
    13,762,687.23x = 18,992,820.59 × 7,568,078.07
  4. Step 4: Simplify right side
    13,762,687.23x = 143,739,148,994,623.47
  5. Step 5: Solve for x
    x = 143,739,148,994,623.47/13,762,687.23
  6. Step 6: Final answer
    x = 10,444,119.42

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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.