Home / 6,945,780.32-9,585,176.84-3,889,994.56

Finding the Fourth Proportional to 6,945,780.32, 9,585,176.84 and 3,889,994.56

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Solution

The fourth proportional to 6,945,780.32, 9,585,176.84 and 3,889,994.56 is: 5,368,192.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945,780.32 : 9,585,176.84 = 3,889,994.56 : x
  2. Step 2: Convert to fraction form
    6,945,780.32/9,585,176.84 = 3,889,994.56/x
  3. Step 3: Cross multiply
    6,945,780.32x = 9,585,176.84 × 3,889,994.56
  4. Step 4: Simplify right side
    6,945,780.32x = 37,286,285,764,237.99
  5. Step 5: Solve for x
    x = 37,286,285,764,237.99/6,945,780.32
  6. Step 6: Final answer
    x = 5,368,192.49

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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.