Home / 6,388,539.36-8,816,138.21-3,487,930.22

Finding the Fourth Proportional to 6,388,539.36, 8,816,138.21 and 3,487,930.22

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Solution

The fourth proportional to 6,388,539.36, 8,816,138.21 and 3,487,930.22 is: 4,813,318.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,539.36 : 8,816,138.21 = 3,487,930.22 : x
  2. Step 2: Convert to fraction form
    6,388,539.36/8,816,138.21 = 3,487,930.22/x
  3. Step 3: Cross multiply
    6,388,539.36x = 8,816,138.21 × 3,487,930.22
  4. Step 4: Simplify right side
    6,388,539.36x = 30,750,074,867,525.10
  5. Step 5: Solve for x
    x = 30,750,074,867,525.10/6,388,539.36
  6. Step 6: Final answer
    x = 4,813,318.53

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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.