Home / 20,550,450.56-28,360,555.44-11,383,092.32

Finding the Fourth Proportional to 20,550,450.56, 28,360,555.44 and 11,383,092.32

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Solution

The fourth proportional to 20,550,450.56, 28,360,555.44 and 11,383,092.32 is: 15,709,184.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,550,450.56 : 28,360,555.44 = 11,383,092.32 : x
  2. Step 2: Convert to fraction form
    20,550,450.56/28,360,555.44 = 11,383,092.32/x
  3. Step 3: Cross multiply
    20,550,450.56x = 28,360,555.44 × 11,383,092.32
  4. Step 4: Simplify right side
    20,550,450.56x = 322,830,820,819,998.25
  5. Step 5: Solve for x
    x = 322,830,820,819,998.25/20,550,450.56
  6. Step 6: Final answer
    x = 15,709,184.57

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1.5x scale

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.