Home / 20,190,581.06-30,279,519.20-6,540,560.48

Finding the Fourth Proportional to 20,190,581.06, 30,279,519.20 and 6,540,560.48

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Solution

The fourth proportional to 20,190,581.06, 30,279,519.20 and 6,540,560.48 is: 9,808,782.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,190,581.06 : 30,279,519.20 = 6,540,560.48 : x
  2. Step 2: Convert to fraction form
    20,190,581.06/30,279,519.20 = 6,540,560.48/x
  3. Step 3: Cross multiply
    20,190,581.06x = 30,279,519.20 × 6,540,560.48
  4. Step 4: Simplify right side
    20,190,581.06x = 198,045,026,448,820.81
  5. Step 5: Solve for x
    x = 198,045,026,448,820.81/20,190,581.06
  6. Step 6: Final answer
    x = 9,808,782.91

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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.