Home / 20,193,628.80-30,290,443.20-17,961,576.60

Finding the Fourth Proportional to 20,193,628.80, 30,290,443.20 and 17,961,576.60

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Solution

The fourth proportional to 20,193,628.80, 30,290,443.20 and 17,961,576.60 is: 26,942,364.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193,628.80 : 30,290,443.20 = 17,961,576.60 : x
  2. Step 2: Convert to fraction form
    20,193,628.80/30,290,443.20 = 17,961,576.60/x
  3. Step 3: Cross multiply
    20,193,628.80x = 30,290,443.20 × 17,961,576.60
  4. Step 4: Simplify right side
    20,193,628.80x = 544,064,115,784,749.12
  5. Step 5: Solve for x
    x = 544,064,115,784,749.12/20,193,628.80
  6. Step 6: Final answer
    x = 26,942,364.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.