Home / 12,857,020.20-19,271,922.30-4,764,796.20

Finding the Fourth Proportional to 12,857,020.20, 19,271,922.30 and 4,764,796.20

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Solution

The fourth proportional to 12,857,020.20, 19,271,922.30 and 4,764,796.20 is: 7,142,151.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,857,020.20 : 19,271,922.30 = 4,764,796.20 : x
  2. Step 2: Convert to fraction form
    12,857,020.20/19,271,922.30 = 4,764,796.20/x
  3. Step 3: Cross multiply
    12,857,020.20x = 19,271,922.30 × 4,764,796.20
  4. Step 4: Simplify right side
    12,857,020.20x = 91,826,782,141,735.27
  5. Step 5: Solve for x
    x = 91,826,782,141,735.27/12,857,020.20
  6. Step 6: Final answer
    x = 7,142,151.19

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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.