Home / 7,383,862.49-10,190,241.75-4,121,313.71

Finding the Fourth Proportional to 7,383,862.49, 10,190,241.75 and 4,121,313.71

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Solution

The fourth proportional to 7,383,862.49, 10,190,241.75 and 4,121,313.71 is: 5,687,698.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383,862.49 : 10,190,241.75 = 4,121,313.71 : x
  2. Step 2: Convert to fraction form
    7,383,862.49/10,190,241.75 = 4,121,313.71/x
  3. Step 3: Cross multiply
    7,383,862.49x = 10,190,241.75 × 4,121,313.71
  4. Step 4: Simplify right side
    7,383,862.49x = 41,997,183,032,489.39
  5. Step 5: Solve for x
    x = 41,997,183,032,489.39/7,383,862.49
  6. Step 6: Final answer
    x = 5,687,698.42

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1.5x scale

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.