Home / 18,719,831.08-28,059,137.82-12,240,234.28

Finding the Fourth Proportional to 18,719,831.08, 28,059,137.82 and 12,240,234.28

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Solution

The fourth proportional to 18,719,831.08, 28,059,137.82 and 12,240,234.28 is: 18,346,876.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,719,831.08 : 28,059,137.82 = 12,240,234.28 : x
  2. Step 2: Convert to fraction form
    18,719,831.08/28,059,137.82 = 12,240,234.28/x
  3. Step 3: Cross multiply
    18,719,831.08x = 28,059,137.82 × 12,240,234.28
  4. Step 4: Simplify right side
    18,719,831.08x = 343,450,420,611,608.44
  5. Step 5: Solve for x
    x = 343,450,420,611,608.44/18,719,831.08
  6. Step 6: Final answer
    x = 18,346,876.06

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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.