Home / 39,643,180.72-54,707,962.53-22,239,899.61

Finding the Fourth Proportional to 39,643,180.72, 54,707,962.53 and 22,239,899.61

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Solution

The fourth proportional to 39,643,180.72, 54,707,962.53 and 22,239,899.61 is: 30,691,270.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,643,180.72 : 54,707,962.53 = 22,239,899.61 : x
  2. Step 2: Convert to fraction form
    39,643,180.72/54,707,962.53 = 22,239,899.61/x
  3. Step 3: Cross multiply
    39,643,180.72x = 54,707,962.53 × 22,239,899.61
  4. Step 4: Simplify right side
    39,643,180.72x = 1,216,699,594,689,571.50
  5. Step 5: Solve for x
    x = 1,216,699,594,689,571.50/39,643,180.72
  6. Step 6: Final answer
    x = 30,691,270.79

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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.