Home / 12,444,831.20-18,656,187.60-8,187,039.20

Finding the Fourth Proportional to 12,444,831.20, 18,656,187.60 and 8,187,039.20

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Solution

The fourth proportional to 12,444,831.20, 18,656,187.60 and 8,187,039.20 is: 12,273,283.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444,831.20 : 18,656,187.60 = 8,187,039.20 : x
  2. Step 2: Convert to fraction form
    12,444,831.20/18,656,187.60 = 8,187,039.20/x
  3. Step 3: Cross multiply
    12,444,831.20x = 18,656,187.60 × 8,187,039.20
  4. Step 4: Simplify right side
    12,444,831.20x = 152,738,939,203,753.94
  5. Step 5: Solve for x
    x = 152,738,939,203,753.94/12,444,831.20
  6. Step 6: Final answer
    x = 12,273,283.32

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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.