Finding the Fourth Proportional to 14,351,242.20, 19,806,986.13 and 8,553,386.94
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Solution
The fourth proportional to 14,351,242.20, 19,806,986.13 and 8,553,386.94 is: 11,805,028.03
Step by Step Solution
- Step 1: Write the proportion equation
14,351,242.20 : 19,806,986.13 = 8,553,386.94 : x - Step 2: Convert to fraction form
14,351,242.20/19,806,986.13 = 8,553,386.94/x - Step 3: Cross multiply
14,351,242.20x = 19,806,986.13 × 8,553,386.94 - Step 4: Simplify right side
14,351,242.20x = 169,416,816,378,751.72 - Step 5: Solve for x
x = 169,416,816,378,751.72/14,351,242.20 - Step 6: Final answer
x = 11,805,028.03
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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.