Home / 11,989,782.45-17,976,941.24-4,703,978.54

Finding the Fourth Proportional to 11,989,782.45, 17,976,941.24 and 4,703,978.54

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Solution

The fourth proportional to 11,989,782.45, 17,976,941.24 and 4,703,978.54 is: 7,052,934.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989,782.45 : 17,976,941.24 = 4,703,978.54 : x
  2. Step 2: Convert to fraction form
    11,989,782.45/17,976,941.24 = 4,703,978.54/x
  3. Step 3: Cross multiply
    11,989,782.45x = 17,976,941.24 × 4,703,978.54
  4. Step 4: Simplify right side
    11,989,782.45x = 84,563,145,739,338.73
  5. Step 5: Solve for x
    x = 84,563,145,739,338.73/11,989,782.45
  6. Step 6: Final answer
    x = 7,052,934.12

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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.