Finding the Fourth Proportional to 13,175,911.26, 18,182,579.07 and 7,374,691.26
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Solution
The fourth proportional to 13,175,911.26, 18,182,579.07 and 7,374,691.26 is: 10,176,974.05
Step by Step Solution
- Step 1: Write the proportion equation
13,175,911.26 : 18,182,579.07 = 7,374,691.26 : x - Step 2: Convert to fraction form
13,175,911.26/18,182,579.07 = 7,374,691.26/x - Step 3: Cross multiply
13,175,911.26x = 18,182,579.07 × 7,374,691.26 - Step 4: Simplify right side
13,175,911.26x = 134,090,906,951,787.92 - Step 5: Solve for x
x = 134,090,906,951,787.92/13,175,911.26 - Step 6: Final answer
x = 10,176,974.05
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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.