Home / 20,500,999.83-28,298,504.61-11,802,639.24

Finding the Fourth Proportional to 20,500,999.83, 28,298,504.61 and 11,802,639.24

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Solution

The fourth proportional to 20,500,999.83, 28,298,504.61 and 11,802,639.24 is: 16,291,744.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,500,999.83 : 28,298,504.61 = 11,802,639.24 : x
  2. Step 2: Convert to fraction form
    20,500,999.83/28,298,504.61 = 11,802,639.24/x
  3. Step 3: Cross multiply
    20,500,999.83x = 28,298,504.61 × 11,802,639.24
  4. Step 4: Simplify right side
    20,500,999.83x = 333,997,040,943,306.88
  5. Step 5: Solve for x
    x = 333,997,040,943,306.88/20,500,999.83
  6. Step 6: Final answer
    x = 16,291,744.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.