Finding the Fourth Proportional to 6,916,943.09, 10,374,701.73 and 2,305,431.07
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Solution
The fourth proportional to 6,916,943.09, 10,374,701.73 and 2,305,431.07 is: 3,457,908.98
Step by Step Solution
- Step 1: Write the proportion equation
6,916,943.09 : 10,374,701.73 = 2,305,431.07 : x - Step 2: Convert to fraction form
6,916,943.09/10,374,701.73 = 2,305,431.07/x - Step 3: Cross multiply
6,916,943.09x = 10,374,701.73 × 2,305,431.07 - Step 4: Simplify right side
6,916,943.09x = 23,918,159,646,924.09 - Step 5: Solve for x
x = 23,918,159,646,924.09/6,916,943.09 - Step 6: Final answer
x = 3,457,908.98
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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.