Home / 14,504,112.72-20,014,286.76-7,977,638.16

Finding the Fourth Proportional to 14,504,112.72, 20,014,286.76 and 7,977,638.16

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Solution

The fourth proportional to 14,504,112.72, 20,014,286.76 and 7,977,638.16 is: 11,008,376.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,504,112.72 : 20,014,286.76 = 7,977,638.16 : x
  2. Step 2: Convert to fraction form
    14,504,112.72/20,014,286.76 = 7,977,638.16/x
  3. Step 3: Cross multiply
    14,504,112.72x = 20,014,286.76 × 7,977,638.16
  4. Step 4: Simplify right side
    14,504,112.72x = 159,666,737,801,758.78
  5. Step 5: Solve for x
    x = 159,666,737,801,758.78/14,504,112.72
  6. Step 6: Final answer
    x = 11,008,376.79

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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.