Home / 20,284,876.14-30,420,884.25-6,634,866.30

Finding the Fourth Proportional to 20,284,876.14, 30,420,884.25 and 6,634,866.30

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Solution

The fourth proportional to 20,284,876.14, 30,420,884.25 and 6,634,866.30 is: 9,950,196.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284,876.14 : 30,420,884.25 = 6,634,866.30 : x
  2. Step 2: Convert to fraction form
    20,284,876.14/30,420,884.25 = 6,634,866.30/x
  3. Step 3: Cross multiply
    20,284,876.14x = 30,420,884.25 × 6,634,866.30
  4. Step 4: Simplify right side
    20,284,876.14x = 201,838,499,726,525.78
  5. Step 5: Solve for x
    x = 201,838,499,726,525.78/20,284,876.14
  6. Step 6: Final answer
    x = 9,950,196.31

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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.