Home / 9,145,718.08-12,620,181.34-5,279,484.80

Finding the Fourth Proportional to 9,145,718.08, 12,620,181.34 and 5,279,484.80

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Solution

The fourth proportional to 9,145,718.08, 12,620,181.34 and 5,279,484.80 is: 7,285,163.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145,718.08 : 12,620,181.34 = 5,279,484.80 : x
  2. Step 2: Convert to fraction form
    9,145,718.08/12,620,181.34 = 5,279,484.80/x
  3. Step 3: Cross multiply
    9,145,718.08x = 12,620,181.34 × 5,279,484.80
  4. Step 4: Simplify right side
    9,145,718.08x = 66,628,055,557,773.62
  5. Step 5: Solve for x
    x = 66,628,055,557,773.62/9,145,718.08
  6. Step 6: Final answer
    x = 7,285,163.94

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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.