Home / 7,639,404.48-10,542,323.07-4,201,571.70

Finding the Fourth Proportional to 7,639,404.48, 10,542,323.07 and 4,201,571.70

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Solution

The fourth proportional to 7,639,404.48, 10,542,323.07 and 4,201,571.70 is: 5,798,138.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639,404.48 : 10,542,323.07 = 4,201,571.70 : x
  2. Step 2: Convert to fraction form
    7,639,404.48/10,542,323.07 = 4,201,571.70/x
  3. Step 3: Cross multiply
    7,639,404.48x = 10,542,323.07 × 4,201,571.70
  4. Step 4: Simplify right side
    7,639,404.48x = 44,294,326,263,169.12
  5. Step 5: Solve for x
    x = 44,294,326,263,169.12/7,639,404.48
  6. Step 6: Final answer
    x = 5,798,138.63

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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.