Home / 7,198,449-9,933,977.64-4,298,093.32

Finding the Fourth Proportional to 7,198,449, 9,933,977.64 and 4,298,093.32

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Solution

The fourth proportional to 7,198,449, 9,933,977.64 and 4,298,093.32 is: 5,931,439.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,198,449 : 9,933,977.64 = 4,298,093.32 : x
  2. Step 2: Convert to fraction form
    7,198,449/9,933,977.64 = 4,298,093.32/x
  3. Step 3: Cross multiply
    7,198,449x = 9,933,977.64 × 4,298,093.32
  4. Step 4: Simplify right side
    7,198,449x = 42,697,162,935,513.37
  5. Step 5: Solve for x
    x = 42,697,162,935,513.37/7,198,449
  6. Step 6: Final answer
    x = 5,931,439.25

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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.