Home / 18,443,432.60-27,669,987.30-7,084,251.80

Finding the Fourth Proportional to 18,443,432.60, 27,669,987.30 and 7,084,251.80

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Solution

The fourth proportional to 18,443,432.60, 27,669,987.30 and 7,084,251.80 is: 10,628,236.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443,432.60 : 27,669,987.30 = 7,084,251.80 : x
  2. Step 2: Convert to fraction form
    18,443,432.60/27,669,987.30 = 7,084,251.80/x
  3. Step 3: Cross multiply
    18,443,432.60x = 27,669,987.30 × 7,084,251.80
  4. Step 4: Simplify right side
    18,443,432.60x = 196,021,157,336,002.12
  5. Step 5: Solve for x
    x = 196,021,157,336,002.12/18,443,432.60
  6. Step 6: Final answer
    x = 10,628,236.16

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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.