Home / 7,729,838.80-10,666,972.56-4,291,991.44

Finding the Fourth Proportional to 7,729,838.80, 10,666,972.56 and 4,291,991.44

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Solution

The fourth proportional to 7,729,838.80, 10,666,972.56 and 4,291,991.44 is: 5,922,834.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729,838.80 : 10,666,972.56 = 4,291,991.44 : x
  2. Step 2: Convert to fraction form
    7,729,838.80/10,666,972.56 = 4,291,991.44/x
  3. Step 3: Cross multiply
    7,729,838.80x = 10,666,972.56 × 4,291,991.44
  4. Step 4: Simplify right side
    7,729,838.80x = 45,782,554,918,234.89
  5. Step 5: Solve for x
    x = 45,782,554,918,234.89/7,729,838.80
  6. Step 6: Final answer
    x = 5,922,834.37

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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.