Finding the Fourth Proportional to 21,334,527.77, 29,441,725.99 and 11,544,971.07
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Solution
The fourth proportional to 21,334,527.77, 29,441,725.99 and 11,544,971.07 is: 15,932,102.11
Step by Step Solution
- Step 1: Write the proportion equation
21,334,527.77 : 29,441,725.99 = 11,544,971.07 : x - Step 2: Convert to fraction form
21,334,527.77/29,441,725.99 = 11,544,971.07/x - Step 3: Cross multiply
21,334,527.77x = 29,441,725.99 × 11,544,971.07 - Step 4: Simplify right side
21,334,527.77x = 339,903,874,805,417.12 - Step 5: Solve for x
x = 339,903,874,805,417.12/21,334,527.77 - Step 6: Final answer
x = 15,932,102.11
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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.