Finding the Fourth Proportional to 7,790,473.26, 11,685,359.28 and 5,232,765.84
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Solution
The fourth proportional to 7,790,473.26, 11,685,359.28 and 5,232,765.84 is: 7,848,913.26
Step by Step Solution
- Step 1: Write the proportion equation
7,790,473.26 : 11,685,359.28 = 5,232,765.84 : x - Step 2: Convert to fraction form
7,790,473.26/11,685,359.28 = 5,232,765.84/x - Step 3: Cross multiply
7,790,473.26x = 11,685,359.28 × 5,232,765.84 - Step 4: Simplify right side
7,790,473.26x = 61,146,748,868,510.99 - Step 5: Solve for x
x = 61,146,748,868,510.99/7,790,473.26 - Step 6: Final answer
x = 7,848,913.26
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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.