Home / 12,219,007.70-18,328,511.55-4,240,831.70

Finding the Fourth Proportional to 12,219,007.70, 18,328,511.55 and 4,240,831.70

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Solution

The fourth proportional to 12,219,007.70, 18,328,511.55 and 4,240,831.70 is: 6,361,247.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,007.70 : 18,328,511.55 = 4,240,831.70 : x
  2. Step 2: Convert to fraction form
    12,219,007.70/18,328,511.55 = 4,240,831.70/x
  3. Step 3: Cross multiply
    12,219,007.70x = 18,328,511.55 × 4,240,831.70
  4. Step 4: Simplify right side
    12,219,007.70x = 77,728,132,795,056.14
  5. Step 5: Solve for x
    x = 77,728,132,795,056.14/12,219,007.70
  6. Step 6: Final answer
    x = 6,361,247.55

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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.