Home / 20,284,874.64-30,420,882-6,634,864.80

Finding the Fourth Proportional to 20,284,874.64, 30,420,882 and 6,634,864.80

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Solution

The fourth proportional to 20,284,874.64, 30,420,882 and 6,634,864.80 is: 9,950,194.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284,874.64 : 30,420,882 = 6,634,864.80 : x
  2. Step 2: Convert to fraction form
    20,284,874.64/30,420,882 = 6,634,864.80/x
  3. Step 3: Cross multiply
    20,284,874.64x = 30,420,882 × 6,634,864.80
  4. Step 4: Simplify right side
    20,284,874.64x = 201,838,439,166,753.59
  5. Step 5: Solve for x
    x = 201,838,439,166,753.59/20,284,874.64
  6. Step 6: Final answer
    x = 9,950,194.06

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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.