Finding the Fourth Proportional to 7,127,884.05, 9,836,523.81 and 3,864,670.26
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Solution
The fourth proportional to 7,127,884.05, 9,836,523.81 and 3,864,670.26 is: 5,333,268.72
Step by Step Solution
- Step 1: Write the proportion equation
7,127,884.05 : 9,836,523.81 = 3,864,670.26 : x - Step 2: Convert to fraction form
7,127,884.05/9,836,523.81 = 3,864,670.26/x - Step 3: Cross multiply
7,127,884.05x = 9,836,523.81 × 3,864,670.26 - Step 4: Simplify right side
7,127,884.05x = 38,014,921,030,288.89 - Step 5: Solve for x
x = 38,014,921,030,288.89/7,127,884.05 - Step 6: Final answer
x = 5,333,268.72
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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.