Home / 7,776,003.20-11,664,004.80-2,726,657.60

Finding the Fourth Proportional to 7,776,003.20, 11,664,004.80 and 2,726,657.60

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Solution

The fourth proportional to 7,776,003.20, 11,664,004.80 and 2,726,657.60 is: 4,089,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,003.20 : 11,664,004.80 = 2,726,657.60 : x
  2. Step 2: Convert to fraction form
    7,776,003.20/11,664,004.80 = 2,726,657.60/x
  3. Step 3: Cross multiply
    7,776,003.20x = 11,664,004.80 × 2,726,657.60
  4. Step 4: Simplify right side
    7,776,003.20x = 31,803,747,334,356.48
  5. Step 5: Solve for x
    x = 31,803,747,334,356.48/7,776,003.20
  6. Step 6: Final answer
    x = 4,089,986.40

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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.