Finding the Fourth Proportional to 7,136,534.70, 9,848,427.12 and 3,873,349.08
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Solution
The fourth proportional to 7,136,534.70, 9,848,427.12 and 3,873,349.08 is: 5,345,226.74
Step by Step Solution
- Step 1: Write the proportion equation
7,136,534.70 : 9,848,427.12 = 3,873,349.08 : x - Step 2: Convert to fraction form
7,136,534.70/9,848,427.12 = 3,873,349.08/x - Step 3: Cross multiply
7,136,534.70x = 9,848,427.12 × 3,873,349.08 - Step 4: Simplify right side
7,136,534.70x = 38,146,396,124,699.05 - Step 5: Solve for x
x = 38,146,396,124,699.05/7,136,534.70 - Step 6: Final answer
x = 5,345,226.74
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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.