Home / 7,100,818.66-9,796,736.30-4,042,867.78

Finding the Fourth Proportional to 7,100,818.66, 9,796,736.30 and 4,042,867.78

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Solution

The fourth proportional to 7,100,818.66, 9,796,736.30 and 4,042,867.78 is: 5,577,794.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100,818.66 : 9,796,736.30 = 4,042,867.78 : x
  2. Step 2: Convert to fraction form
    7,100,818.66/9,796,736.30 = 4,042,867.78/x
  3. Step 3: Cross multiply
    7,100,818.66x = 9,796,736.30 × 4,042,867.78
  4. Step 4: Simplify right side
    7,100,818.66x = 39,606,909,536,426.41
  5. Step 5: Solve for x
    x = 39,606,909,536,426.41/7,100,818.66
  6. Step 6: Final answer
    x = 5,577,794.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.