Home / 7,800,542.92-10,764,687.48-4,362,781.40

Finding the Fourth Proportional to 7,800,542.92, 10,764,687.48 and 4,362,781.40

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Solution

The fourth proportional to 7,800,542.92, 10,764,687.48 and 4,362,781.40 is: 6,020,603.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800,542.92 : 10,764,687.48 = 4,362,781.40 : x
  2. Step 2: Convert to fraction form
    7,800,542.92/10,764,687.48 = 4,362,781.40/x
  3. Step 3: Cross multiply
    7,800,542.92x = 10,764,687.48 × 4,362,781.40
  4. Step 4: Simplify right side
    7,800,542.92x = 46,963,978,314,556.88
  5. Step 5: Solve for x
    x = 46,963,978,314,556.88/7,800,542.92
  6. Step 6: Final answer
    x = 6,020,603.80

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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.