Home / 20,284,823.64-30,420,805.50-6,634,813.80

Finding the Fourth Proportional to 20,284,823.64, 30,420,805.50 and 6,634,813.80

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Solution

The fourth proportional to 20,284,823.64, 30,420,805.50 and 6,634,813.80 is: 9,950,117.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284,823.64 : 30,420,805.50 = 6,634,813.80 : x
  2. Step 2: Convert to fraction form
    20,284,823.64/30,420,805.50 = 6,634,813.80/x
  3. Step 3: Cross multiply
    20,284,823.64x = 30,420,805.50 × 6,634,813.80
  4. Step 4: Simplify right side
    20,284,823.64x = 201,836,380,138,515.91
  5. Step 5: Solve for x
    x = 201,836,380,138,515.91/20,284,823.64
  6. Step 6: Final answer
    x = 9,950,117.57

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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.