Finding the Fourth Proportional to 10,691,317.36, 14,739,745.17 and 8,493,472.63
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Solution
The fourth proportional to 10,691,317.36, 14,739,745.17 and 8,493,472.63 is: 11,709,653.54
Step by Step Solution
- Step 1: Write the proportion equation
10,691,317.36 : 14,739,745.17 = 8,493,472.63 : x - Step 2: Convert to fraction form
10,691,317.36/14,739,745.17 = 8,493,472.63/x - Step 3: Cross multiply
10,691,317.36x = 14,739,745.17 × 8,493,472.63 - Step 4: Simplify right side
10,691,317.36x = 125,191,622,174,569.70 - Step 5: Solve for x
x = 125,191,622,174,569.70/10,691,317.36 - Step 6: Final answer
x = 11,709,653.54
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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.