Home / 13,572,311.36-18,723,546.74-12,025,152.22

Finding the Fourth Proportional to 13,572,311.36, 18,723,546.74 and 12,025,152.22

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Solution

The fourth proportional to 13,572,311.36, 18,723,546.74 and 12,025,152.22 is: 16,589,178.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572,311.36 : 18,723,546.74 = 12,025,152.22 : x
  2. Step 2: Convert to fraction form
    13,572,311.36/18,723,546.74 = 12,025,152.22/x
  3. Step 3: Cross multiply
    13,572,311.36x = 18,723,546.74 × 12,025,152.22
  4. Step 4: Simplify right side
    13,572,311.36x = 225,153,499,646,784.75
  5. Step 5: Solve for x
    x = 225,153,499,646,784.75/13,572,311.36
  6. Step 6: Final answer
    x = 16,589,178.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.