Home / 20,392,290.10-28,142,102.83-11,099,410.98

Finding the Fourth Proportional to 20,392,290.10, 28,142,102.83 and 11,099,410.98

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Solution

The fourth proportional to 20,392,290.10, 28,142,102.83 and 11,099,410.98 is: 15,317,591.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,392,290.10 : 28,142,102.83 = 11,099,410.98 : x
  2. Step 2: Convert to fraction form
    20,392,290.10/28,142,102.83 = 11,099,410.98/x
  3. Step 3: Cross multiply
    20,392,290.10x = 28,142,102.83 × 11,099,410.98
  4. Step 4: Simplify right side
    20,392,290.10x = 312,360,765,151,591.06
  5. Step 5: Solve for x
    x = 312,360,765,151,591.06/20,392,290.10
  6. Step 6: Final answer
    x = 15,317,591.29

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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.