Home / 20,348,629.60-30,522,944.40-5,201,759.20

Finding the Fourth Proportional to 20,348,629.60, 30,522,944.40 and 5,201,759.20

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Solution

The fourth proportional to 20,348,629.60, 30,522,944.40 and 5,201,759.20 is: 7,802,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348,629.60 : 30,522,944.40 = 5,201,759.20 : x
  2. Step 2: Convert to fraction form
    20,348,629.60/30,522,944.40 = 5,201,759.20/x
  3. Step 3: Cross multiply
    20,348,629.60x = 30,522,944.40 × 5,201,759.20
  4. Step 4: Simplify right side
    20,348,629.60x = 158,773,006,843,788.47
  5. Step 5: Solve for x
    x = 158,773,006,843,788.47/20,348,629.60
  6. Step 6: Final answer
    x = 7,802,638.80

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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.