Home / 8,449,078.74-12,660,583.59-5,705,880.90

Finding the Fourth Proportional to 8,449,078.74, 12,660,583.59 and 5,705,880.90

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Solution

The fourth proportional to 8,449,078.74, 12,660,583.59 and 5,705,880.90 is: 8,550,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449,078.74 : 12,660,583.59 = 5,705,880.90 : x
  2. Step 2: Convert to fraction form
    8,449,078.74/12,660,583.59 = 5,705,880.90/x
  3. Step 3: Cross multiply
    8,449,078.74x = 12,660,583.59 × 5,705,880.90
  4. Step 4: Simplify right side
    8,449,078.74x = 72,239,782,089,034.44
  5. Step 5: Solve for x
    x = 72,239,782,089,034.44/8,449,078.74
  6. Step 6: Final answer
    x = 8,550,018.80

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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.