Finding the Fourth Proportional to 7,099,749.36, 9,797,653.62 and 3,836,565.54
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Solution
The fourth proportional to 7,099,749.36, 9,797,653.62 and 3,836,565.54 is: 5,294,460.18
Step by Step Solution
- Step 1: Write the proportion equation
7,099,749.36 : 9,797,653.62 = 3,836,565.54 : x - Step 2: Convert to fraction form
7,099,749.36/9,797,653.62 = 3,836,565.54/x - Step 3: Cross multiply
7,099,749.36x = 9,797,653.62 × 3,836,565.54 - Step 4: Simplify right side
7,099,749.36x = 37,589,340,251,348.25 - Step 5: Solve for x
x = 37,589,340,251,348.25/7,099,749.36 - Step 6: Final answer
x = 5,294,460.18
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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.