Home / 18,375,679.88-27,561,416.64-4,913,557.64

Finding the Fourth Proportional to 18,375,679.88, 27,561,416.64 and 4,913,557.64

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Solution

The fourth proportional to 18,375,679.88, 27,561,416.64 and 4,913,557.64 is: 7,369,774.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,375,679.88 : 27,561,416.64 = 4,913,557.64 : x
  2. Step 2: Convert to fraction form
    18,375,679.88/27,561,416.64 = 4,913,557.64/x
  3. Step 3: Cross multiply
    18,375,679.88x = 27,561,416.64 × 4,913,557.64
  4. Step 4: Simplify right side
    18,375,679.88x = 135,424,609,300,695.12
  5. Step 5: Solve for x
    x = 135,424,609,300,695.12/18,375,679.88
  6. Step 6: Final answer
    x = 7,369,774.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.