Finding the Fourth Proportional to 9,476,349.68, 13,077,313.44 and 5,125,431.44
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Solution
The fourth proportional to 9,476,349.68, 13,077,313.44 and 5,125,431.44 is: 7,073,068.82
Step by Step Solution
- Step 1: Write the proportion equation
9,476,349.68 : 13,077,313.44 = 5,125,431.44 : x - Step 2: Convert to fraction form
9,476,349.68/13,077,313.44 = 5,125,431.44/x - Step 3: Cross multiply
9,476,349.68x = 13,077,313.44 × 5,125,431.44 - Step 4: Simplify right side
9,476,349.68x = 67,026,873,456,110.55 - Step 5: Solve for x
x = 67,026,873,456,110.55/9,476,349.68 - Step 6: Final answer
x = 7,073,068.82
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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.