Home / 20,317,475.37-30,476,272.17-8,642,838.91

Finding the Fourth Proportional to 20,317,475.37, 30,476,272.17 and 8,642,838.91

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Solution

The fourth proportional to 20,317,475.37, 30,476,272.17 and 8,642,838.91 is: 12,964,283.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,317,475.37 : 30,476,272.17 = 8,642,838.91 : x
  2. Step 2: Convert to fraction form
    20,317,475.37/30,476,272.17 = 8,642,838.91/x
  3. Step 3: Cross multiply
    20,317,475.37x = 30,476,272.17 × 8,642,838.91
  4. Step 4: Simplify right side
    20,317,475.37x = 263,401,510,942,626.16
  5. Step 5: Solve for x
    x = 263,401,510,942,626.16/20,317,475.37
  6. Step 6: Final answer
    x = 12,964,283.51

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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.