Home / 12,425,661.54-18,629,832.14-5,505,379.40

Finding the Fourth Proportional to 12,425,661.54, 18,629,832.14 and 5,505,379.40

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Solution

The fourth proportional to 12,425,661.54, 18,629,832.14 and 5,505,379.40 is: 8,254,232.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425,661.54 : 18,629,832.14 = 5,505,379.40 : x
  2. Step 2: Convert to fraction form
    12,425,661.54/18,629,832.14 = 5,505,379.40/x
  3. Step 3: Cross multiply
    12,425,661.54x = 18,629,832.14 × 5,505,379.40
  4. Step 4: Simplify right side
    12,425,661.54x = 102,564,294,089,013.92
  5. Step 5: Solve for x
    x = 102,564,294,089,013.92/12,425,661.54
  6. Step 6: Final answer
    x = 8,254,232.08

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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.