Home / 12,805,465.68-19,208,230.92-5,232,431.43

Finding the Fourth Proportional to 12,805,465.68, 19,208,230.92 and 5,232,431.43

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Solution

The fourth proportional to 12,805,465.68, 19,208,230.92 and 5,232,431.43 is: 7,848,660.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805,465.68 : 19,208,230.92 = 5,232,431.43 : x
  2. Step 2: Convert to fraction form
    12,805,465.68/19,208,230.92 = 5,232,431.43/x
  3. Step 3: Cross multiply
    12,805,465.68x = 19,208,230.92 × 5,232,431.43
  4. Step 4: Simplify right side
    12,805,465.68x = 100,505,751,180,505.81
  5. Step 5: Solve for x
    x = 100,505,751,180,505.81/12,805,465.68
  6. Step 6: Final answer
    x = 7,848,660.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.