Home / 13,762,687.48-18,992,820.94-7,568,078.32

Finding the Fourth Proportional to 13,762,687.48, 18,992,820.94 and 7,568,078.32

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Solution

The fourth proportional to 13,762,687.48, 18,992,820.94 and 7,568,078.32 is: 10,444,119.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762,687.48 : 18,992,820.94 = 7,568,078.32 : x
  2. Step 2: Convert to fraction form
    13,762,687.48/18,992,820.94 = 7,568,078.32/x
  3. Step 3: Cross multiply
    13,762,687.48x = 18,992,820.94 × 7,568,078.32
  4. Step 4: Simplify right side
    13,762,687.48x = 143,739,156,391,656.03
  5. Step 5: Solve for x
    x = 143,739,156,391,656.03/13,762,687.48
  6. Step 6: Final answer
    x = 10,444,119.77

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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.