Home / 19,813,201.72-27,342,444.16-10,992,815.80

Finding the Fourth Proportional to 19,813,201.72, 27,342,444.16 and 10,992,815.80

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Solution

The fourth proportional to 19,813,201.72, 27,342,444.16 and 10,992,815.80 is: 15,170,211.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813,201.72 : 27,342,444.16 = 10,992,815.80 : x
  2. Step 2: Convert to fraction form
    19,813,201.72/27,342,444.16 = 10,992,815.80/x
  3. Step 3: Cross multiply
    19,813,201.72x = 27,342,444.16 × 10,992,815.80
  4. Step 4: Simplify right side
    19,813,201.72x = 300,570,452,172,665.75
  5. Step 5: Solve for x
    x = 300,570,452,172,665.75/19,813,201.72
  6. Step 6: Final answer
    x = 15,170,211.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.