Finding the Fourth Proportional to 9,888,185.70, 13,646,554.74 and 5,537,192.94
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Solution
The fourth proportional to 9,888,185.70, 13,646,554.74 and 5,537,192.94 is: 7,641,806.99
Step by Step Solution
- Step 1: Write the proportion equation
9,888,185.70 : 13,646,554.74 = 5,537,192.94 : x - Step 2: Convert to fraction form
9,888,185.70/13,646,554.74 = 5,537,192.94/x - Step 3: Cross multiply
9,888,185.70x = 13,646,554.74 × 5,537,192.94 - Step 4: Simplify right side
9,888,185.70x = 75,563,606,561,651.55 - Step 5: Solve for x
x = 75,563,606,561,651.55/9,888,185.70 - Step 6: Final answer
x = 7,641,806.99
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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.