Home / 6,315,696.80-8,715,655.39-3,415,080.73

Finding the Fourth Proportional to 6,315,696.80, 8,715,655.39 and 3,415,080.73

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Solution

The fourth proportional to 6,315,696.80, 8,715,655.39 and 3,415,080.73 is: 4,712,808.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315,696.80 : 8,715,655.39 = 3,415,080.73 : x
  2. Step 2: Convert to fraction form
    6,315,696.80/8,715,655.39 = 3,415,080.73/x
  3. Step 3: Cross multiply
    6,315,696.80x = 8,715,655.39 × 3,415,080.73
  4. Step 4: Simplify right side
    6,315,696.80x = 29,764,666,711,055.95
  5. Step 5: Solve for x
    x = 29,764,666,711,055.95/6,315,696.80
  6. Step 6: Final answer
    x = 4,712,808.05

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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.