Finding the Fourth Proportional to 12,923,168.70, 17,833,644.18 and 7,042,954.08
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Solution
The fourth proportional to 12,923,168.70, 17,833,644.18 and 7,042,954.08 is: 9,719,097.53
Step by Step Solution
- Step 1: Write the proportion equation
12,923,168.70 : 17,833,644.18 = 7,042,954.08 : x - Step 2: Convert to fraction form
12,923,168.70/17,833,644.18 = 7,042,954.08/x - Step 3: Cross multiply
12,923,168.70x = 17,833,644.18 × 7,042,954.08 - Step 4: Simplify right side
12,923,168.70x = 125,601,537,038,799.25 - Step 5: Solve for x
x = 125,601,537,038,799.25/12,923,168.70 - Step 6: Final answer
x = 9,719,097.53
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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.