Home / 21,008,567.52-29,015,738.01-14,121,092.16

Finding the Fourth Proportional to 21,008,567.52, 29,015,738.01 and 14,121,092.16

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Solution

The fourth proportional to 21,008,567.52, 29,015,738.01 and 14,121,092.16 is: 19,503,181.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,008,567.52 : 29,015,738.01 = 14,121,092.16 : x
  2. Step 2: Convert to fraction form
    21,008,567.52/29,015,738.01 = 14,121,092.16/x
  3. Step 3: Cross multiply
    21,008,567.52x = 29,015,738.01 × 14,121,092.16
  4. Step 4: Simplify right side
    21,008,567.52x = 409,733,910,529,625
  5. Step 5: Solve for x
    x = 409,733,910,529,625/21,008,567.52
  6. Step 6: Final answer
    x = 19,503,181.74

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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.