Home / 18,028,736.53-24,879,743.01-9,768,796.61

Finding the Fourth Proportional to 18,028,736.53, 24,879,743.01 and 9,768,796.61

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Solution

The fourth proportional to 18,028,736.53, 24,879,743.01 and 9,768,796.61 is: 13,480,986.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,028,736.53 : 24,879,743.01 = 9,768,796.61 : x
  2. Step 2: Convert to fraction form
    18,028,736.53/24,879,743.01 = 9,768,796.61/x
  3. Step 3: Cross multiply
    18,028,736.53x = 24,879,743.01 × 9,768,796.61
  4. Step 4: Simplify right side
    18,028,736.53x = 243,045,149,049,360.50
  5. Step 5: Solve for x
    x = 243,045,149,049,360.50/18,028,736.53
  6. Step 6: Final answer
    x = 13,480,986.24

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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.