Home / 19,193,474.52-28,790,211.78-6,413,979.23

Finding the Fourth Proportional to 19,193,474.52, 28,790,211.78 and 6,413,979.23

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Solution

The fourth proportional to 19,193,474.52, 28,790,211.78 and 6,413,979.23 is: 9,620,968.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193,474.52 : 28,790,211.78 = 6,413,979.23 : x
  2. Step 2: Convert to fraction form
    19,193,474.52/28,790,211.78 = 6,413,979.23/x
  3. Step 3: Cross multiply
    19,193,474.52x = 28,790,211.78 × 6,413,979.23
  4. Step 4: Simplify right side
    19,193,474.52x = 184,659,820,240,270.28
  5. Step 5: Solve for x
    x = 184,659,820,240,270.28/19,193,474.52
  6. Step 6: Final answer
    x = 9,620,968.84

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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.