Finding the Fourth Proportional to 19,136,696.44, 26,387,188.14 and 15,641,190.04
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Solution
The fourth proportional to 19,136,696.44, 26,387,188.14 and 15,641,190.04 is: 21,567,307.90
Step by Step Solution
- Step 1: Write the proportion equation
19,136,696.44 : 26,387,188.14 = 15,641,190.04 : x - Step 2: Convert to fraction form
19,136,696.44/26,387,188.14 = 15,641,190.04/x - Step 3: Cross multiply
19,136,696.44x = 26,387,188.14 × 15,641,190.04 - Step 4: Simplify right side
19,136,696.44x = 412,727,024,318,974.12 - Step 5: Solve for x
x = 412,727,024,318,974.12/19,136,696.44 - Step 6: Final answer
x = 21,567,307.90
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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.