Home / 19,151,629.93-28,725,322.82-6,855,102.15

Finding the Fourth Proportional to 19,151,629.93, 28,725,322.82 and 6,855,102.15

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Solution

The fourth proportional to 19,151,629.93, 28,725,322.82 and 6,855,102.15 is: 10,281,893.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151,629.93 : 28,725,322.82 = 6,855,102.15 : x
  2. Step 2: Convert to fraction form
    19,151,629.93/28,725,322.82 = 6,855,102.15/x
  3. Step 3: Cross multiply
    19,151,629.93x = 28,725,322.82 × 6,855,102.15
  4. Step 4: Simplify right side
    19,151,629.93x = 196,915,022,080,830.59
  5. Step 5: Solve for x
    x = 196,915,022,080,830.59/19,151,629.93
  6. Step 6: Final answer
    x = 10,281,893.64

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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.