Home / 20,317,546.22-28,030,232.72-11,611,048.19

Finding the Fourth Proportional to 20,317,546.22, 28,030,232.72 and 11,611,048.19

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Solution

The fourth proportional to 20,317,546.22, 28,030,232.72 and 11,611,048.19 is: 16,018,685.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,317,546.22 : 28,030,232.72 = 11,611,048.19 : x
  2. Step 2: Convert to fraction form
    20,317,546.22/28,030,232.72 = 11,611,048.19/x
  3. Step 3: Cross multiply
    20,317,546.22x = 28,030,232.72 × 11,611,048.19
  4. Step 4: Simplify right side
    20,317,546.22x = 325,460,382,777,711.25
  5. Step 5: Solve for x
    x = 325,460,382,777,711.25/20,317,546.22
  6. Step 6: Final answer
    x = 16,018,685.49

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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.