Home / 7,236,821.80-9,986,814.11-3,973,636.53

Finding the Fourth Proportional to 7,236,821.80, 9,986,814.11 and 3,973,636.53

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Solution

The fourth proportional to 7,236,821.80, 9,986,814.11 and 3,973,636.53 is: 5,483,618.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236,821.80 : 9,986,814.11 = 3,973,636.53 : x
  2. Step 2: Convert to fraction form
    7,236,821.80/9,986,814.11 = 3,973,636.53/x
  3. Step 3: Cross multiply
    7,236,821.80x = 9,986,814.11 × 3,973,636.53
  4. Step 4: Simplify right side
    7,236,821.80x = 39,683,969,365,815.44
  5. Step 5: Solve for x
    x = 39,683,969,365,815.44/7,236,821.80
  6. Step 6: Final answer
    x = 5,483,618.43

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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.