Home / 11,153,285.20-16,707,809.40-6,652,190.80

Finding the Fourth Proportional to 11,153,285.20, 16,707,809.40 and 6,652,190.80

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Solution

The fourth proportional to 11,153,285.20, 16,707,809.40 and 6,652,190.80 is: 9,965,094.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153,285.20 : 16,707,809.40 = 6,652,190.80 : x
  2. Step 2: Convert to fraction form
    11,153,285.20/16,707,809.40 = 6,652,190.80/x
  3. Step 3: Cross multiply
    11,153,285.20x = 16,707,809.40 × 6,652,190.80
  4. Step 4: Simplify right side
    11,153,285.20x = 111,143,535,978,833.52
  5. Step 5: Solve for x
    x = 111,143,535,978,833.52/11,153,285.20
  6. Step 6: Final answer
    x = 9,965,094.05

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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.