Home / 20,215,574.30-30,302,694.30-9,964,667.90

Finding the Fourth Proportional to 20,215,574.30, 30,302,694.30 and 9,964,667.90

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Solution

The fourth proportional to 20,215,574.30, 30,302,694.30 and 9,964,667.90 is: 14,936,814.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,215,574.30 : 30,302,694.30 = 9,964,667.90 : x
  2. Step 2: Convert to fraction form
    20,215,574.30/30,302,694.30 = 9,964,667.90/x
  3. Step 3: Cross multiply
    20,215,574.30x = 30,302,694.30 × 9,964,667.90
  4. Step 4: Simplify right side
    20,215,574.30x = 301,956,285,174,723
  5. Step 5: Solve for x
    x = 301,956,285,174,723/20,215,574.30
  6. Step 6: Final answer
    x = 14,936,814.59

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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.