Home / 6,315,696.55-8,715,655.04-3,415,080.48

Finding the Fourth Proportional to 6,315,696.55, 8,715,655.04 and 3,415,080.48

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Solution

The fourth proportional to 6,315,696.55, 8,715,655.04 and 3,415,080.48 is: 4,712,807.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315,696.55 : 8,715,655.04 = 3,415,080.48 : x
  2. Step 2: Convert to fraction form
    6,315,696.55/8,715,655.04 = 3,415,080.48/x
  3. Step 3: Cross multiply
    6,315,696.55x = 8,715,655.04 × 3,415,080.48
  4. Step 4: Simplify right side
    6,315,696.55x = 29,764,663,397,517.62
  5. Step 5: Solve for x
    x = 29,764,663,397,517.62/6,315,696.55
  6. Step 6: Final answer
    x = 4,712,807.71

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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.