Home / 7,228,747.60-9,975,613.48-3,921,033.64

Finding the Fourth Proportional to 7,228,747.60, 9,975,613.48 and 3,921,033.64

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Solution

The fourth proportional to 7,228,747.60, 9,975,613.48 and 3,921,033.64 is: 5,410,994.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228,747.60 : 9,975,613.48 = 3,921,033.64 : x
  2. Step 2: Convert to fraction form
    7,228,747.60/9,975,613.48 = 3,921,033.64/x
  3. Step 3: Cross multiply
    7,228,747.60x = 9,975,613.48 × 3,921,033.64
  4. Step 4: Simplify right side
    7,228,747.60x = 39,114,716,034,717.47
  5. Step 5: Solve for x
    x = 39,114,716,034,717.47/7,228,747.60
  6. Step 6: Final answer
    x = 5,410,994.85

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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.