Home / 10,378,922.94-14,322,828.14-5,669,322.32

Finding the Fourth Proportional to 10,378,922.94, 14,322,828.14 and 5,669,322.32

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Solution

The fourth proportional to 10,378,922.94, 14,322,828.14 and 5,669,322.32 is: 7,823,618.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378,922.94 : 14,322,828.14 = 5,669,322.32 : x
  2. Step 2: Convert to fraction form
    10,378,922.94/14,322,828.14 = 5,669,322.32/x
  3. Step 3: Cross multiply
    10,378,922.94x = 14,322,828.14 × 5,669,322.32
  4. Step 4: Simplify right side
    10,378,922.94x = 81,200,729,288,346.50
  5. Step 5: Solve for x
    x = 81,200,729,288,346.50/10,378,922.94
  6. Step 6: Final answer
    x = 7,823,618.09

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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.