Home / 38,638,963.60-57,958,445.40-20,723,059.60

Finding the Fourth Proportional to 38,638,963.60, 57,958,445.40 and 20,723,059.60

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Solution

The fourth proportional to 38,638,963.60, 57,958,445.40 and 20,723,059.60 is: 31,084,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,638,963.60 : 57,958,445.40 = 20,723,059.60 : x
  2. Step 2: Convert to fraction form
    38,638,963.60/57,958,445.40 = 20,723,059.60/x
  3. Step 3: Cross multiply
    38,638,963.60x = 57,958,445.40 × 20,723,059.60
  4. Step 4: Simplify right side
    38,638,963.60x = 1,201,076,318,347,546
  5. Step 5: Solve for x
    x = 1,201,076,318,347,546/38,638,963.60
  6. Step 6: Final answer
    x = 31,084,589.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.