Home / 18,382,447.15-27,573,670.73-12,335,829.55

Finding the Fourth Proportional to 18,382,447.15, 27,573,670.73 and 12,335,829.55

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Solution

The fourth proportional to 18,382,447.15, 27,573,670.73 and 12,335,829.55 is: 18,503,744.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382,447.15 : 27,573,670.73 = 12,335,829.55 : x
  2. Step 2: Convert to fraction form
    18,382,447.15/27,573,670.73 = 12,335,829.55/x
  3. Step 3: Cross multiply
    18,382,447.15x = 27,573,670.73 × 12,335,829.55
  4. Step 4: Simplify right side
    18,382,447.15x = 340,144,102,193,104.12
  5. Step 5: Solve for x
    x = 340,144,102,193,104.12/18,382,447.15
  6. Step 6: Final answer
    x = 18,503,744.33

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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.