Home / 38,845,520.37-53,606,823.44-21,441,869.28

Finding the Fourth Proportional to 38,845,520.37, 53,606,823.44 and 21,441,869.28

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Solution

The fourth proportional to 38,845,520.37, 53,606,823.44 and 21,441,869.28 is: 29,589,782.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,845,520.37 : 53,606,823.44 = 21,441,869.28 : x
  2. Step 2: Convert to fraction form
    38,845,520.37/53,606,823.44 = 21,441,869.28/x
  3. Step 3: Cross multiply
    38,845,520.37x = 53,606,823.44 × 21,441,869.28
  4. Step 4: Simplify right side
    38,845,520.37x = 1,149,430,500,609,310.75
  5. Step 5: Solve for x
    x = 1,149,430,500,609,310.75/38,845,520.37
  6. Step 6: Final answer
    x = 29,589,782.55

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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.