Home / 21,314,100-29,414,157.84-11,656,308

Finding the Fourth Proportional to 21,314,100, 29,414,157.84 and 11,656,308

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Solution

The fourth proportional to 21,314,100, 29,414,157.84 and 11,656,308 is: 16,086,087.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,314,100 : 29,414,157.84 = 11,656,308 : x
  2. Step 2: Convert to fraction form
    21,314,100/29,414,157.84 = 11,656,308/x
  3. Step 3: Cross multiply
    21,314,100x = 29,414,157.84 × 11,656,308
  4. Step 4: Simplify right side
    21,314,100x = 342,860,483,343,654.69
  5. Step 5: Solve for x
    x = 342,860,483,343,654.69/21,314,100
  6. Step 6: Final answer
    x = 16,086,087.77

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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.