Home / 19,813,199.72-27,342,441.40-10,992,813.80

Finding the Fourth Proportional to 19,813,199.72, 27,342,441.40 and 10,992,813.80

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Solution

The fourth proportional to 19,813,199.72, 27,342,441.40 and 10,992,813.80 is: 15,170,208.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813,199.72 : 27,342,441.40 = 10,992,813.80 : x
  2. Step 2: Convert to fraction form
    19,813,199.72/27,342,441.40 = 10,992,813.80/x
  3. Step 3: Cross multiply
    19,813,199.72x = 27,342,441.40 × 10,992,813.80
  4. Step 4: Simplify right side
    19,813,199.72x = 300,570,367,147,611.31
  5. Step 5: Solve for x
    x = 300,570,367,147,611.31/19,813,199.72
  6. Step 6: Final answer
    x = 15,170,208.32

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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.