Home / 43,690,622.20-65,562,177.30-18,128,966.20

Finding the Fourth Proportional to 43,690,622.20, 65,562,177.30 and 18,128,966.20

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Solution

The fourth proportional to 43,690,622.20, 65,562,177.30 and 18,128,966.20 is: 27,204,338.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,690,622.20 : 65,562,177.30 = 18,128,966.20 : x
  2. Step 2: Convert to fraction form
    43,690,622.20/65,562,177.30 = 18,128,966.20/x
  3. Step 3: Cross multiply
    43,690,622.20x = 65,562,177.30 × 18,128,966.20
  4. Step 4: Simplify right side
    43,690,622.20x = 1,188,574,496,270,107.25
  5. Step 5: Solve for x
    x = 1,188,574,496,270,107.25/43,690,622.20
  6. Step 6: Final answer
    x = 27,204,338.97

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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.