Home / 20,892,529.74-28,784,261.58-16,166,674.38

Finding the Fourth Proportional to 20,892,529.74, 28,784,261.58 and 16,166,674.38

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Solution

The fourth proportional to 20,892,529.74, 28,784,261.58 and 16,166,674.38 is: 22,273,309.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,892,529.74 : 28,784,261.58 = 16,166,674.38 : x
  2. Step 2: Convert to fraction form
    20,892,529.74/28,784,261.58 = 16,166,674.38/x
  3. Step 3: Cross multiply
    20,892,529.74x = 28,784,261.58 × 16,166,674.38
  4. Step 4: Simplify right side
    20,892,529.74x = 465,345,784,232,604.31
  5. Step 5: Solve for x
    x = 465,345,784,232,604.31/20,892,529.74
  6. Step 6: Final answer
    x = 22,273,309.65

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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.