Home / 19,171,986.40-28,757,979.60-14,888,965.60

Finding the Fourth Proportional to 19,171,986.40, 28,757,979.60 and 14,888,965.60

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Solution

The fourth proportional to 19,171,986.40, 28,757,979.60 and 14,888,965.60 is: 22,333,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171,986.40 : 28,757,979.60 = 14,888,965.60 : x
  2. Step 2: Convert to fraction form
    19,171,986.40/28,757,979.60 = 14,888,965.60/x
  3. Step 3: Cross multiply
    19,171,986.40x = 28,757,979.60 × 14,888,965.60
  4. Step 4: Simplify right side
    19,171,986.40x = 428,176,568,989,901.75
  5. Step 5: Solve for x
    x = 428,176,568,989,901.75/19,171,986.40
  6. Step 6: Final answer
    x = 22,333,448.40

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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.