Home / 13,036,933.80-17,991,809.30-7,235,715.83

Finding the Fourth Proportional to 13,036,933.80, 17,991,809.30 and 7,235,715.83

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Solution

The fourth proportional to 13,036,933.80, 17,991,809.30 and 7,235,715.83 is: 9,985,754.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,036,933.80 : 17,991,809.30 = 7,235,715.83 : x
  2. Step 2: Convert to fraction form
    13,036,933.80/17,991,809.30 = 7,235,715.83/x
  3. Step 3: Cross multiply
    13,036,933.80x = 17,991,809.30 × 7,235,715.83
  4. Step 4: Simplify right side
    13,036,933.80x = 130,183,619,290,481.45
  5. Step 5: Solve for x
    x = 130,183,619,290,481.45/13,036,933.80
  6. Step 6: Final answer
    x = 9,985,754.42

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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.