Home / 29,830,135.76-41,168,745.96-18,234,486.80

Finding the Fourth Proportional to 29,830,135.76, 41,168,745.96 and 18,234,486.80

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Solution

The fourth proportional to 29,830,135.76, 41,168,745.96 and 18,234,486.80 is: 25,165,522.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,830,135.76 : 41,168,745.96 = 18,234,486.80 : x
  2. Step 2: Convert to fraction form
    29,830,135.76/41,168,745.96 = 18,234,486.80/x
  3. Step 3: Cross multiply
    29,830,135.76x = 41,168,745.96 × 18,234,486.80
  4. Step 4: Simplify right side
    29,830,135.76x = 750,690,954,780,173.38
  5. Step 5: Solve for x
    x = 750,690,954,780,173.38/29,830,135.76
  6. Step 6: Final answer
    x = 25,165,522.57

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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.