Home / 13,923,782.37-20,885,644.80-7,855,759.50

Finding the Fourth Proportional to 13,923,782.37, 20,885,644.80 and 7,855,759.50

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Solution

The fourth proportional to 13,923,782.37, 20,885,644.80 and 7,855,759.50 is: 11,783,623.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923,782.37 : 20,885,644.80 = 7,855,759.50 : x
  2. Step 2: Convert to fraction form
    13,923,782.37/20,885,644.80 = 7,855,759.50/x
  3. Step 3: Cross multiply
    13,923,782.37x = 20,885,644.80 × 7,855,759.50
  4. Step 4: Simplify right side
    13,923,782.37x = 164,072,602,551,225.59
  5. Step 5: Solve for x
    x = 164,072,602,551,225.59/13,923,782.37
  6. Step 6: Final answer
    x = 11,783,623.03

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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.