Home / 11,178,010.40-16,767,015.60-3,989,778.80

Finding the Fourth Proportional to 11,178,010.40, 16,767,015.60 and 3,989,778.80

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Solution

The fourth proportional to 11,178,010.40, 16,767,015.60 and 3,989,778.80 is: 5,984,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,010.40 : 16,767,015.60 = 3,989,778.80 : x
  2. Step 2: Convert to fraction form
    11,178,010.40/16,767,015.60 = 3,989,778.80/x
  3. Step 3: Cross multiply
    11,178,010.40x = 16,767,015.60 × 3,989,778.80
  4. Step 4: Simplify right side
    11,178,010.40x = 66,896,683,380,149.27
  5. Step 5: Solve for x
    x = 66,896,683,380,149.27/11,178,010.40
  6. Step 6: Final answer
    x = 5,984,668.20

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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.