Finding the Fourth Proportional to 14,027,932.09, 19,371,916.11 and 13,263,695.11
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Solution
The fourth proportional to 14,027,932.09, 19,371,916.11 and 13,263,695.11 is: 18,316,540.69
Step by Step Solution
- Step 1: Write the proportion equation
14,027,932.09 : 19,371,916.11 = 13,263,695.11 : x - Step 2: Convert to fraction form
14,027,932.09/19,371,916.11 = 13,263,695.11/x - Step 3: Cross multiply
14,027,932.09x = 19,371,916.11 × 13,263,695.11 - Step 4: Simplify right side
14,027,932.09x = 256,943,188,979,537.19 - Step 5: Solve for x
x = 256,943,188,979,537.19/14,027,932.09 - Step 6: Final answer
x = 18,316,540.69
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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.