Home / 20,724,004.20-31,086,006.30-11,766,052.20

Finding the Fourth Proportional to 20,724,004.20, 31,086,006.30 and 11,766,052.20

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Solution

The fourth proportional to 20,724,004.20, 31,086,006.30 and 11,766,052.20 is: 17,649,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,724,004.20 : 31,086,006.30 = 11,766,052.20 : x
  2. Step 2: Convert to fraction form
    20,724,004.20/31,086,006.30 = 11,766,052.20/x
  3. Step 3: Cross multiply
    20,724,004.20x = 31,086,006.30 × 11,766,052.20
  4. Step 4: Simplify right side
    20,724,004.20x = 365,759,572,815,328.88
  5. Step 5: Solve for x
    x = 365,759,572,815,328.88/20,724,004.20
  6. Step 6: Final answer
    x = 17,649,078.30

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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.