Home / 15,200,882.24-20,978,718.36-8,675,486.64

Finding the Fourth Proportional to 15,200,882.24, 20,978,718.36 and 8,675,486.64

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Solution

The fourth proportional to 15,200,882.24, 20,978,718.36 and 8,675,486.64 is: 11,973,028.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,200,882.24 : 20,978,718.36 = 8,675,486.64 : x
  2. Step 2: Convert to fraction form
    15,200,882.24/20,978,718.36 = 8,675,486.64/x
  3. Step 3: Cross multiply
    15,200,882.24x = 20,978,718.36 × 8,675,486.64
  4. Step 4: Simplify right side
    15,200,882.24x = 182,000,590,856,502.72
  5. Step 5: Solve for x
    x = 182,000,590,856,502.72/15,200,882.24
  6. Step 6: Final answer
    x = 11,973,028.14

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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.