Home / 7,178,606.76-10,764,755.70-2,687,733.48

Finding the Fourth Proportional to 7,178,606.76, 10,764,755.70 and 2,687,733.48

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Solution

The fourth proportional to 7,178,606.76, 10,764,755.70 and 2,687,733.48 is: 4,030,419.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178,606.76 : 10,764,755.70 = 2,687,733.48 : x
  2. Step 2: Convert to fraction form
    7,178,606.76/10,764,755.70 = 2,687,733.48/x
  3. Step 3: Cross multiply
    7,178,606.76x = 10,764,755.70 × 2,687,733.48
  4. Step 4: Simplify right side
    7,178,606.76x = 28,932,794,298,910.83
  5. Step 5: Solve for x
    x = 28,932,794,298,910.83/7,178,606.76
  6. Step 6: Final answer
    x = 4,030,419.17

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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.