Finding the Fourth Proportional to 14,351,969.12, 19,810,516.72 and 8,552,569.44
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Solution
The fourth proportional to 14,351,969.12, 19,810,516.72 and 8,552,569.44 is: 11,805,405.83
Step by Step Solution
- Step 1: Write the proportion equation
14,351,969.12 : 19,810,516.72 = 8,552,569.44 : x - Step 2: Convert to fraction form
14,351,969.12/19,810,516.72 = 8,552,569.44/x - Step 3: Cross multiply
14,351,969.12x = 19,810,516.72 × 8,552,569.44 - Step 4: Simplify right side
14,351,969.12x = 169,430,819,890,081.03 - Step 5: Solve for x
x = 169,430,819,890,081.03/14,351,969.12 - Step 6: Final answer
x = 11,805,405.83
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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.