Home / 20,494,144.29-28,281,870.31-11,673,594.21

Finding the Fourth Proportional to 20,494,144.29, 28,281,870.31 and 11,673,594.21

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Solution

The fourth proportional to 20,494,144.29, 28,281,870.31 and 11,673,594.21 is: 16,109,532.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,494,144.29 : 28,281,870.31 = 11,673,594.21 : x
  2. Step 2: Convert to fraction form
    20,494,144.29/28,281,870.31 = 11,673,594.21/x
  3. Step 3: Cross multiply
    20,494,144.29x = 28,281,870.31 × 11,673,594.21
  4. Step 4: Simplify right side
    20,494,144.29x = 330,151,077,498,786.94
  5. Step 5: Solve for x
    x = 330,151,077,498,786.94/20,494,144.29
  6. Step 6: Final answer
    x = 16,109,532.21

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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.