Home / 18,042,820.60-27,064,230.90-16,979,938.60

Finding the Fourth Proportional to 18,042,820.60, 27,064,230.90 and 16,979,938.60

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Solution

The fourth proportional to 18,042,820.60, 27,064,230.90 and 16,979,938.60 is: 25,469,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042,820.60 : 27,064,230.90 = 16,979,938.60 : x
  2. Step 2: Convert to fraction form
    18,042,820.60/27,064,230.90 = 16,979,938.60/x
  3. Step 3: Cross multiply
    18,042,820.60x = 27,064,230.90 × 16,979,938.60
  4. Step 4: Simplify right side
    18,042,820.60x = 459,548,978,938,222.75
  5. Step 5: Solve for x
    x = 459,548,978,938,222.75/18,042,820.60
  6. Step 6: Final answer
    x = 25,469,907.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.