Home / 25,528,026.20-38,292,039.30-18,361,664.60

Finding the Fourth Proportional to 25,528,026.20, 38,292,039.30 and 18,361,664.60

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Solution

The fourth proportional to 25,528,026.20, 38,292,039.30 and 18,361,664.60 is: 27,542,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,528,026.20 : 38,292,039.30 = 18,361,664.60 : x
  2. Step 2: Convert to fraction form
    25,528,026.20/38,292,039.30 = 18,361,664.60/x
  3. Step 3: Cross multiply
    25,528,026.20x = 38,292,039.30 × 18,361,664.60
  4. Step 4: Simplify right side
    25,528,026.20x = 703,105,582,476,618.75
  5. Step 5: Solve for x
    x = 703,105,582,476,618.75/25,528,026.20
  6. Step 6: Final answer
    x = 27,542,496.90

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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.