Home / 10,728,008.40-16,092,012.60-2,640,919.80

Finding the Fourth Proportional to 10,728,008.40, 16,092,012.60 and 2,640,919.80

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Solution

The fourth proportional to 10,728,008.40, 16,092,012.60 and 2,640,919.80 is: 3,961,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728,008.40 : 16,092,012.60 = 2,640,919.80 : x
  2. Step 2: Convert to fraction form
    10,728,008.40/16,092,012.60 = 2,640,919.80/x
  3. Step 3: Cross multiply
    10,728,008.40x = 16,092,012.60 × 2,640,919.80
  4. Step 4: Simplify right side
    10,728,008.40x = 42,497,714,697,189.48
  5. Step 5: Solve for x
    x = 42,497,714,697,189.48/10,728,008.40
  6. Step 6: Final answer
    x = 3,961,379.70

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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.