Home / 9,309,808.51-12,846,021.86-5,179,733.53

Finding the Fourth Proportional to 9,309,808.51, 12,846,021.86 and 5,179,733.53

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Solution

The fourth proportional to 9,309,808.51, 12,846,021.86 and 5,179,733.53 is: 7,147,189.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309,808.51 : 12,846,021.86 = 5,179,733.53 : x
  2. Step 2: Convert to fraction form
    9,309,808.51/12,846,021.86 = 5,179,733.53/x
  3. Step 3: Cross multiply
    9,309,808.51x = 12,846,021.86 × 5,179,733.53
  4. Step 4: Simplify right side
    9,309,808.51x = 66,538,970,136,189.25
  5. Step 5: Solve for x
    x = 66,538,970,136,189.25/9,309,808.51
  6. Step 6: Final answer
    x = 7,147,189.99

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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.