Home / 20,615,175.88-30,922,857.64-6,968,395.36

Finding the Fourth Proportional to 20,615,175.88, 30,922,857.64 and 6,968,395.36

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Solution

The fourth proportional to 20,615,175.88, 30,922,857.64 and 6,968,395.36 is: 10,452,624.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,615,175.88 : 30,922,857.64 = 6,968,395.36 : x
  2. Step 2: Convert to fraction form
    20,615,175.88/30,922,857.64 = 6,968,395.36/x
  3. Step 3: Cross multiply
    20,615,175.88x = 30,922,857.64 × 6,968,395.36
  4. Step 4: Simplify right side
    20,615,175.88x = 215,482,697,696,516.56
  5. Step 5: Solve for x
    x = 215,482,697,696,516.56/20,615,175.88
  6. Step 6: Final answer
    x = 10,452,624.75

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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.