Home / 35,640,015.40-53,460,023.10-21,279,298.60

Finding the Fourth Proportional to 35,640,015.40, 53,460,023.10 and 21,279,298.60

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Solution

The fourth proportional to 35,640,015.40, 53,460,023.10 and 21,279,298.60 is: 31,918,947.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,640,015.40 : 53,460,023.10 = 21,279,298.60 : x
  2. Step 2: Convert to fraction form
    35,640,015.40/53,460,023.10 = 21,279,298.60/x
  3. Step 3: Cross multiply
    35,640,015.40x = 53,460,023.10 × 21,279,298.60
  4. Step 4: Simplify right side
    35,640,015.40x = 1,137,591,794,707,797.75
  5. Step 5: Solve for x
    x = 1,137,591,794,707,797.75/35,640,015.40
  6. Step 6: Final answer
    x = 31,918,947.90

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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.