Home / 11,177,364.80-16,766,047.20-7,776,142.40

Finding the Fourth Proportional to 11,177,364.80, 16,766,047.20 and 7,776,142.40

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Solution

The fourth proportional to 11,177,364.80, 16,766,047.20 and 7,776,142.40 is: 11,664,213.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177,364.80 : 16,766,047.20 = 7,776,142.40 : x
  2. Step 2: Convert to fraction form
    11,177,364.80/16,766,047.20 = 7,776,142.40/x
  3. Step 3: Cross multiply
    11,177,364.80x = 16,766,047.20 × 7,776,142.40
  4. Step 4: Simplify right side
    11,177,364.80x = 130,375,170,512,321.28
  5. Step 5: Solve for x
    x = 130,375,170,512,321.28/11,177,364.80
  6. Step 6: Final answer
    x = 11,664,213.60

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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.