Finding the Fourth Proportional to 13,993,444.74, 19,310,103.36 and 7,713,696.18
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Solution
The fourth proportional to 13,993,444.74, 19,310,103.36 and 7,713,696.18 is: 10,644,431.97
Step by Step Solution
- Step 1: Write the proportion equation
13,993,444.74 : 19,310,103.36 = 7,713,696.18 : x - Step 2: Convert to fraction form
13,993,444.74/19,310,103.36 = 7,713,696.18/x - Step 3: Cross multiply
13,993,444.74x = 19,310,103.36 × 7,713,696.18 - Step 4: Simplify right side
13,993,444.74x = 148,952,270,523,437.16 - Step 5: Solve for x
x = 148,952,270,523,437.16/13,993,444.74 - Step 6: Final answer
x = 10,644,431.97
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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.