Home / 6,990,740.22-9,647,520.81-3,893,263.56

Finding the Fourth Proportional to 6,990,740.22, 9,647,520.81 and 3,893,263.56

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Solution

The fourth proportional to 6,990,740.22, 9,647,520.81 and 3,893,263.56 is: 5,372,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990,740.22 : 9,647,520.81 = 3,893,263.56 : x
  2. Step 2: Convert to fraction form
    6,990,740.22/9,647,520.81 = 3,893,263.56/x
  3. Step 3: Cross multiply
    6,990,740.22x = 9,647,520.81 × 3,893,263.56
  4. Step 4: Simplify right side
    6,990,740.22x = 37,560,341,213,914.69
  5. Step 5: Solve for x
    x = 37,560,341,213,914.69/6,990,740.22
  6. Step 6: Final answer
    x = 5,372,870.40

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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.