Home / 39,626,401.44-54,684,885.56-21,985,629.60

Finding the Fourth Proportional to 39,626,401.44, 54,684,885.56 and 21,985,629.60

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Solution

The fourth proportional to 39,626,401.44, 54,684,885.56 and 21,985,629.60 is: 30,340,419.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,626,401.44 : 54,684,885.56 = 21,985,629.60 : x
  2. Step 2: Convert to fraction form
    39,626,401.44/54,684,885.56 = 21,985,629.60/x
  3. Step 3: Cross multiply
    39,626,401.44x = 54,684,885.56 × 21,985,629.60
  4. Step 4: Simplify right side
    39,626,401.44x = 1,202,281,638,640,548.75
  5. Step 5: Solve for x
    x = 1,202,281,638,640,548.75/39,626,401.44
  6. Step 6: Final answer
    x = 30,340,419.39

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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.