Home / 20,246,571.20-30,369,856.80-6,599,691.20

Finding the Fourth Proportional to 20,246,571.20, 30,369,856.80 and 6,599,691.20

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Solution

The fourth proportional to 20,246,571.20, 30,369,856.80 and 6,599,691.20 is: 9,899,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246,571.20 : 30,369,856.80 = 6,599,691.20 : x
  2. Step 2: Convert to fraction form
    20,246,571.20/30,369,856.80 = 6,599,691.20/x
  3. Step 3: Cross multiply
    20,246,571.20x = 30,369,856.80 × 6,599,691.20
  4. Step 4: Simplify right side
    20,246,571.20x = 200,431,676,668,220.16
  5. Step 5: Solve for x
    x = 200,431,676,668,220.16/20,246,571.20
  6. Step 6: Final answer
    x = 9,899,536.80

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1.5x scale

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.