Home / 10,890,816.80-16,300,795.80-8,481,617.60

Finding the Fourth Proportional to 10,890,816.80, 16,300,795.80 and 8,481,617.60

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Solution

The fourth proportional to 10,890,816.80, 16,300,795.80 and 8,481,617.60 is: 12,694,834.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,816.80 : 16,300,795.80 = 8,481,617.60 : x
  2. Step 2: Convert to fraction form
    10,890,816.80/16,300,795.80 = 8,481,617.60/x
  3. Step 3: Cross multiply
    10,890,816.80x = 16,300,795.80 × 8,481,617.60
  4. Step 4: Simplify right side
    10,890,816.80x = 138,257,116,551,286.08
  5. Step 5: Solve for x
    x = 138,257,116,551,286.08/10,890,816.80
  6. Step 6: Final answer
    x = 12,694,834.47

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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.