Home / 18,694,475.80-25,812,043.41-12,082,976.59

Finding the Fourth Proportional to 18,694,475.80, 25,812,043.41 and 12,082,976.59

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Solution

The fourth proportional to 18,694,475.80, 25,812,043.41 and 12,082,976.59 is: 16,683,341.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694,475.80 : 25,812,043.41 = 12,082,976.59 : x
  2. Step 2: Convert to fraction form
    18,694,475.80/25,812,043.41 = 12,082,976.59/x
  3. Step 3: Cross multiply
    18,694,475.80x = 25,812,043.41 × 12,082,976.59
  4. Step 4: Simplify right side
    18,694,475.80x = 311,886,316,263,093.75
  5. Step 5: Solve for x
    x = 311,886,316,263,093.75/18,694,475.80
  6. Step 6: Final answer
    x = 16,683,341.09

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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.