Home / 7,228,750.62-9,975,617.62-3,921,036.64

Finding the Fourth Proportional to 7,228,750.62, 9,975,617.62 and 3,921,036.64

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Solution

The fourth proportional to 7,228,750.62, 9,975,617.62 and 3,921,036.64 is: 5,410,998.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228,750.62 : 9,975,617.62 = 3,921,036.64 : x
  2. Step 2: Convert to fraction form
    7,228,750.62/9,975,617.62 = 3,921,036.64/x
  3. Step 3: Cross multiply
    7,228,750.62x = 9,975,617.62 × 3,921,036.64
  4. Step 4: Simplify right side
    7,228,750.62x = 39,114,762,194,649.59
  5. Step 5: Solve for x
    x = 39,114,762,194,649.59/7,228,750.62
  6. Step 6: Final answer
    x = 5,410,998.97

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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.