Home / 11,747,980.80-17,621,583.44-4,831,220.80

Finding the Fourth Proportional to 11,747,980.80, 17,621,583.44 and 4,831,220.80

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Solution

The fourth proportional to 11,747,980.80, 17,621,583.44 and 4,831,220.80 is: 7,246,671.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747,980.80 : 17,621,583.44 = 4,831,220.80 : x
  2. Step 2: Convert to fraction form
    11,747,980.80/17,621,583.44 = 4,831,220.80/x
  3. Step 3: Cross multiply
    11,747,980.80x = 17,621,583.44 × 4,831,220.80
  4. Step 4: Simplify right side
    11,747,980.80x = 85,133,760,444,263.56
  5. Step 5: Solve for x
    x = 85,133,760,444,263.56/11,747,980.80
  6. Step 6: Final answer
    x = 7,246,671.74

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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.