Home / 20,159,108.30-30,238,771.80-5,013,039.80

Finding the Fourth Proportional to 20,159,108.30, 30,238,771.80 and 5,013,039.80

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Solution

The fourth proportional to 20,159,108.30, 30,238,771.80 and 5,013,039.80 is: 7,519,586.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159,108.30 : 30,238,771.80 = 5,013,039.80 : x
  2. Step 2: Convert to fraction form
    20,159,108.30/30,238,771.80 = 5,013,039.80/x
  3. Step 3: Cross multiply
    20,159,108.30x = 30,238,771.80 × 5,013,039.80
  4. Step 4: Simplify right side
    20,159,108.30x = 151,588,166,536,517.62
  5. Step 5: Solve for x
    x = 151,588,166,536,517.62/20,159,108.30
  6. Step 6: Final answer
    x = 7,519,586.89

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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.