Home / 38,347,880.27-52,921,220.78-20,945,046.47

Finding the Fourth Proportional to 38,347,880.27, 52,921,220.78 and 20,945,046.47

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Solution

The fourth proportional to 38,347,880.27, 52,921,220.78 and 20,945,046.47 is: 28,904,790.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,347,880.27 : 52,921,220.78 = 20,945,046.47 : x
  2. Step 2: Convert to fraction form
    38,347,880.27/52,921,220.78 = 20,945,046.47/x
  3. Step 3: Cross multiply
    38,347,880.27x = 52,921,220.78 × 20,945,046.47
  4. Step 4: Simplify right side
    38,347,880.27x = 1,108,437,428,273,986.12
  5. Step 5: Solve for x
    x = 1,108,437,428,273,986.12/38,347,880.27
  6. Step 6: Final answer
    x = 28,904,790.06

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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.