Finding the Fourth Proportional to 7,371,749.40, 11,062,606.36 and 2,579,480.18
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Solution
The fourth proportional to 7,371,749.40, 11,062,606.36 and 2,579,480.18 is: 3,870,963.63
Step by Step Solution
- Step 1: Write the proportion equation
7,371,749.40 : 11,062,606.36 = 2,579,480.18 : x - Step 2: Convert to fraction form
7,371,749.40/11,062,606.36 = 2,579,480.18/x - Step 3: Cross multiply
7,371,749.40x = 11,062,606.36 × 2,579,480.18 - Step 4: Simplify right side
7,371,749.40x = 28,535,773,844,761.95 - Step 5: Solve for x
x = 28,535,773,844,761.95/7,371,749.40 - Step 6: Final answer
x = 3,870,963.63
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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.