Home / 10,640,998.40-15,961,497.60-4,252,236.80

Finding the Fourth Proportional to 10,640,998.40, 15,961,497.60 and 4,252,236.80

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Solution

The fourth proportional to 10,640,998.40, 15,961,497.60 and 4,252,236.80 is: 6,378,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640,998.40 : 15,961,497.60 = 4,252,236.80 : x
  2. Step 2: Convert to fraction form
    10,640,998.40/15,961,497.60 = 4,252,236.80/x
  3. Step 3: Cross multiply
    10,640,998.40x = 15,961,497.60 × 4,252,236.80
  4. Step 4: Simplify right side
    10,640,998.40x = 67,872,067,477,831.67
  5. Step 5: Solve for x
    x = 67,872,067,477,831.67/10,640,998.40
  6. Step 6: Final answer
    x = 6,378,355.20

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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.