Home / 6,667,666.34-9,999,371.05-2,117,650.88

Finding the Fourth Proportional to 6,667,666.34, 9,999,371.05 and 2,117,650.88

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Solution

The fourth proportional to 6,667,666.34, 9,999,371.05 and 2,117,650.88 is: 3,175,800.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,667,666.34 : 9,999,371.05 = 2,117,650.88 : x
  2. Step 2: Convert to fraction form
    6,667,666.34/9,999,371.05 = 2,117,650.88/x
  3. Step 3: Cross multiply
    6,667,666.34x = 9,999,371.05 × 2,117,650.88
  4. Step 4: Simplify right side
    6,667,666.34x = 21,175,176,923,183.32
  5. Step 5: Solve for x
    x = 21,175,176,923,183.32/6,667,666.34
  6. Step 6: Final answer
    x = 3,175,800.33

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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.