Home / 18,694,022.36-28,017,446.09-9,474,311.40

Finding the Fourth Proportional to 18,694,022.36, 28,017,446.09 and 9,474,311.40

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Solution

The fourth proportional to 18,694,022.36, 28,017,446.09 and 9,474,311.40 is: 14,199,512.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694,022.36 : 28,017,446.09 = 9,474,311.40 : x
  2. Step 2: Convert to fraction form
    18,694,022.36/28,017,446.09 = 9,474,311.40/x
  3. Step 3: Cross multiply
    18,694,022.36x = 28,017,446.09 × 9,474,311.40
  4. Step 4: Simplify right side
    18,694,022.36x = 265,446,008,913,058.22
  5. Step 5: Solve for x
    x = 265,446,008,913,058.22/18,694,022.36
  6. Step 6: Final answer
    x = 14,199,512.76

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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.