Home / 13,731,027.90-20,620,161.45-9,715,695.90

Finding the Fourth Proportional to 13,731,027.90, 20,620,161.45 and 9,715,695.90

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Solution

The fourth proportional to 13,731,027.90, 20,620,161.45 and 9,715,695.90 is: 14,590,256.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731,027.90 : 20,620,161.45 = 9,715,695.90 : x
  2. Step 2: Convert to fraction form
    13,731,027.90/20,620,161.45 = 9,715,695.90/x
  3. Step 3: Cross multiply
    13,731,027.90x = 20,620,161.45 × 9,715,695.90
  4. Step 4: Simplify right side
    13,731,027.90x = 200,339,218,057,103.06
  5. Step 5: Solve for x
    x = 200,339,218,057,103.06/13,731,027.90
  6. Step 6: Final answer
    x = 14,590,256.43

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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.