Home / 13,446,013.80-20,190,015.90-7,777,309.80

Finding the Fourth Proportional to 13,446,013.80, 20,190,015.90 and 7,777,309.80

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Solution

The fourth proportional to 13,446,013.80, 20,190,015.90 and 7,777,309.80 is: 11,678,108.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,446,013.80 : 20,190,015.90 = 7,777,309.80 : x
  2. Step 2: Convert to fraction form
    13,446,013.80/20,190,015.90 = 7,777,309.80/x
  3. Step 3: Cross multiply
    13,446,013.80x = 20,190,015.90 × 7,777,309.80
  4. Step 4: Simplify right side
    13,446,013.80x = 157,024,008,521,225.81
  5. Step 5: Solve for x
    x = 157,024,008,521,225.81/13,446,013.80
  6. Step 6: Final answer
    x = 11,678,108.54

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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.