Home / 15,986,299.79-22,061,078.16-8,644,115.36

Finding the Fourth Proportional to 15,986,299.79, 22,061,078.16 and 8,644,115.36

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Solution

The fourth proportional to 15,986,299.79, 22,061,078.16 and 8,644,115.36 is: 11,928,870.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986,299.79 : 22,061,078.16 = 8,644,115.36 : x
  2. Step 2: Convert to fraction form
    15,986,299.79/22,061,078.16 = 8,644,115.36/x
  3. Step 3: Cross multiply
    15,986,299.79x = 22,061,078.16 × 8,644,115.36
  4. Step 4: Simplify right side
    15,986,299.79x = 190,698,504,470,711.16
  5. Step 5: Solve for x
    x = 190,698,504,470,711.16/15,986,299.79
  6. Step 6: Final answer
    x = 11,928,870.79

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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.