Finding the Fourth Proportional to 14,292,794.16, 21,433,825.80 and 5,192,643.42
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Solution
The fourth proportional to 14,292,794.16, 21,433,825.80 and 5,192,643.42 is: 7,787,015.84
Step by Step Solution
- Step 1: Write the proportion equation
14,292,794.16 : 21,433,825.80 = 5,192,643.42 : x - Step 2: Convert to fraction form
14,292,794.16/21,433,825.80 = 5,192,643.42/x - Step 3: Cross multiply
14,292,794.16x = 21,433,825.80 × 5,192,643.42 - Step 4: Simplify right side
14,292,794.16x = 111,298,214,505,796.23 - Step 5: Solve for x
x = 111,298,214,505,796.23/14,292,794.16 - Step 6: Final answer
x = 7,787,015.84
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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.