Home / 15,404,690.55-21,259,137.15-8,529,172.47

Finding the Fourth Proportional to 15,404,690.55, 21,259,137.15 and 8,529,172.47

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Solution

The fourth proportional to 15,404,690.55, 21,259,137.15 and 8,529,172.47 is: 11,770,625.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404,690.55 : 21,259,137.15 = 8,529,172.47 : x
  2. Step 2: Convert to fraction form
    15,404,690.55/21,259,137.15 = 8,529,172.47/x
  3. Step 3: Cross multiply
    15,404,690.55x = 21,259,137.15 × 8,529,172.47
  4. Step 4: Simplify right side
    15,404,690.55x = 181,322,847,315,734.25
  5. Step 5: Solve for x
    x = 181,322,847,315,734.25/15,404,690.55
  6. Step 6: Final answer
    x = 11,770,625.75

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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.