Home / 18,345,055.80-27,520,905.21-9,224,199.64

Finding the Fourth Proportional to 18,345,055.80, 27,520,905.21 and 9,224,199.64

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Solution

The fourth proportional to 18,345,055.80, 27,520,905.21 and 9,224,199.64 is: 13,837,969.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,345,055.80 : 27,520,905.21 = 9,224,199.64 : x
  2. Step 2: Convert to fraction form
    18,345,055.80/27,520,905.21 = 9,224,199.64/x
  3. Step 3: Cross multiply
    18,345,055.80x = 27,520,905.21 × 9,224,199.64
  4. Step 4: Simplify right side
    18,345,055.80x = 253,858,323,861,753.84
  5. Step 5: Solve for x
    x = 253,858,323,861,753.84/18,345,055.80
  6. Step 6: Final answer
    x = 13,837,969.57

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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.