Home / 38,562,422.56-53,167,723.36-28,231,209.60

Finding the Fourth Proportional to 38,562,422.56, 53,167,723.36 and 28,231,209.60

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Solution

The fourth proportional to 38,562,422.56, 53,167,723.36 and 28,231,209.60 is: 38,923,621.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,562,422.56 : 53,167,723.36 = 28,231,209.60 : x
  2. Step 2: Convert to fraction form
    38,562,422.56/53,167,723.36 = 28,231,209.60/x
  3. Step 3: Cross multiply
    38,562,422.56x = 53,167,723.36 × 28,231,209.60
  4. Step 4: Simplify right side
    38,562,422.56x = 1,500,989,142,130,976.25
  5. Step 5: Solve for x
    x = 1,500,989,142,130,976.25/38,562,422.56
  6. Step 6: Final answer
    x = 38,923,621.56

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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.