Finding the Fourth Proportional to 9,772,622.36, 13,486,213.64 and 5,362,376.96
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Solution
The fourth proportional to 9,772,622.36, 13,486,213.64 and 5,362,376.96 is: 7,400,077.34
Step by Step Solution
- Step 1: Write the proportion equation
9,772,622.36 : 13,486,213.64 = 5,362,376.96 : x - Step 2: Convert to fraction form
9,772,622.36/13,486,213.64 = 5,362,376.96/x - Step 3: Cross multiply
9,772,622.36x = 13,486,213.64 × 5,362,376.96 - Step 4: Simplify right side
9,772,622.36x = 72,318,161,300,773.73 - Step 5: Solve for x
x = 72,318,161,300,773.73/9,772,622.36 - Step 6: Final answer
x = 7,400,077.34
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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.