Home / 14,591,485.79-20,135,899.16-7,975,777.38

Finding the Fourth Proportional to 14,591,485.79, 20,135,899.16 and 7,975,777.38

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Solution

The fourth proportional to 14,591,485.79, 20,135,899.16 and 7,975,777.38 is: 11,006,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,591,485.79 : 20,135,899.16 = 7,975,777.38 : x
  2. Step 2: Convert to fraction form
    14,591,485.79/20,135,899.16 = 7,975,777.38/x
  3. Step 3: Cross multiply
    14,591,485.79x = 20,135,899.16 × 7,975,777.38
  4. Step 4: Simplify right side
    14,591,485.79x = 160,599,449,046,289
  5. Step 5: Solve for x
    x = 160,599,449,046,289/14,591,485.79
  6. Step 6: Final answer
    x = 11,006,380.80

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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.