Home / 26,456,440.80-39,684,661.20-18,842,181.60

Finding the Fourth Proportional to 26,456,440.80, 39,684,661.20 and 18,842,181.60

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Solution

The fourth proportional to 26,456,440.80, 39,684,661.20 and 18,842,181.60 is: 28,263,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,456,440.80 : 39,684,661.20 = 18,842,181.60 : x
  2. Step 2: Convert to fraction form
    26,456,440.80/39,684,661.20 = 18,842,181.60/x
  3. Step 3: Cross multiply
    26,456,440.80x = 39,684,661.20 × 18,842,181.60
  4. Step 4: Simplify right side
    26,456,440.80x = 747,745,593,064,874
  5. Step 5: Solve for x
    x = 747,745,593,064,874/26,456,440.80
  6. Step 6: Final answer
    x = 28,263,272.40

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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.