Home / 20,522,898.04-28,321,162.77-11,230,431.03

Finding the Fourth Proportional to 20,522,898.04, 28,321,162.77 and 11,230,431.03

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Solution

The fourth proportional to 20,522,898.04, 28,321,162.77 and 11,230,431.03 is: 15,497,755.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522,898.04 : 28,321,162.77 = 11,230,431.03 : x
  2. Step 2: Convert to fraction form
    20,522,898.04/28,321,162.77 = 11,230,431.03/x
  3. Step 3: Cross multiply
    20,522,898.04x = 28,321,162.77 × 11,230,431.03
  4. Step 4: Simplify right side
    20,522,898.04x = 318,058,865,036,282.94
  5. Step 5: Solve for x
    x = 318,058,865,036,282.94/20,522,898.04
  6. Step 6: Final answer
    x = 15,497,755.94

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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.