Home / 13,985,684.44-19,301,131.79-8,479,586.73

Finding the Fourth Proportional to 13,985,684.44, 19,301,131.79 and 8,479,586.73

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Solution

The fourth proportional to 13,985,684.44, 19,301,131.79 and 8,479,586.73 is: 11,702,367.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,985,684.44 : 19,301,131.79 = 8,479,586.73 : x
  2. Step 2: Convert to fraction form
    13,985,684.44/19,301,131.79 = 8,479,586.73/x
  3. Step 3: Cross multiply
    13,985,684.44x = 19,301,131.79 × 8,479,586.73
  4. Step 4: Simplify right side
    13,985,684.44x = 163,665,621,000,465.16
  5. Step 5: Solve for x
    x = 163,665,621,000,465.16/13,985,684.44
  6. Step 6: Final answer
    x = 11,702,367.64

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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.