Home / 8,372,640.96-12,550,989.78-2,688,879.48

Finding the Fourth Proportional to 8,372,640.96, 12,550,989.78 and 2,688,879.48

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Solution

The fourth proportional to 8,372,640.96, 12,550,989.78 and 2,688,879.48 is: 4,030,759.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372,640.96 : 12,550,989.78 = 2,688,879.48 : x
  2. Step 2: Convert to fraction form
    8,372,640.96/12,550,989.78 = 2,688,879.48/x
  3. Step 3: Cross multiply
    8,372,640.96x = 12,550,989.78 × 2,688,879.48
  4. Step 4: Simplify right side
    8,372,640.96x = 33,748,098,873,131.71
  5. Step 5: Solve for x
    x = 33,748,098,873,131.71/8,372,640.96
  6. Step 6: Final answer
    x = 4,030,759.12

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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.