Home / 7,674,751.39-11,508,276.13-2,555,378.05

Finding the Fourth Proportional to 7,674,751.39, 11,508,276.13 and 2,555,378.05

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Solution

The fourth proportional to 7,674,751.39, 11,508,276.13 and 2,555,378.05 is: 3,831,784.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674,751.39 : 11,508,276.13 = 2,555,378.05 : x
  2. Step 2: Convert to fraction form
    7,674,751.39/11,508,276.13 = 2,555,378.05/x
  3. Step 3: Cross multiply
    7,674,751.39x = 11,508,276.13 × 2,555,378.05
  4. Step 4: Simplify right side
    7,674,751.39x = 29,407,996,215,940.95
  5. Step 5: Solve for x
    x = 29,407,996,215,940.95/7,674,751.39
  6. Step 6: Final answer
    x = 3,831,784.86

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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.