Home / 12,355,937.20-18,533,905.80-8,324,858.80

Finding the Fourth Proportional to 12,355,937.20, 18,533,905.80 and 8,324,858.80

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Solution

The fourth proportional to 12,355,937.20, 18,533,905.80 and 8,324,858.80 is: 12,487,288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355,937.20 : 18,533,905.80 = 8,324,858.80 : x
  2. Step 2: Convert to fraction form
    12,355,937.20/18,533,905.80 = 8,324,858.80/x
  3. Step 3: Cross multiply
    12,355,937.20x = 18,533,905.80 × 8,324,858.80
  4. Step 4: Simplify right side
    12,355,937.20x = 154,292,148,797,501.03
  5. Step 5: Solve for x
    x = 154,292,148,797,501.03/12,355,937.20
  6. Step 6: Final answer
    x = 12,487,288.20

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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.