Finding the Fourth Proportional to 9,711,606.82, 13,402,015.38 and 5,360,691.99
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Solution
The fourth proportional to 9,711,606.82, 13,402,015.38 and 5,360,691.99 is: 7,397,753.82
Step by Step Solution
- Step 1: Write the proportion equation
9,711,606.82 : 13,402,015.38 = 5,360,691.99 : x - Step 2: Convert to fraction form
9,711,606.82/13,402,015.38 = 5,360,691.99/x - Step 3: Cross multiply
9,711,606.82x = 13,402,015.38 × 5,360,691.99 - Step 4: Simplify right side
9,711,606.82x = 71,844,076,430,412.73 - Step 5: Solve for x
x = 71,844,076,430,412.73/9,711,606.82 - Step 6: Final answer
x = 7,397,753.82
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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.