Finding the Fourth Proportional to 18,084,541.72, 27,125,712.99 and 6,413,490.19
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Solution
The fourth proportional to 18,084,541.72, 27,125,712.99 and 6,413,490.19 is: 9,619,845.33
Step by Step Solution
- Step 1: Write the proportion equation
18,084,541.72 : 27,125,712.99 = 6,413,490.19 : x - Step 2: Convert to fraction form
18,084,541.72/27,125,712.99 = 6,413,490.19/x - Step 3: Cross multiply
18,084,541.72x = 27,125,712.99 × 6,413,490.19 - Step 4: Simplify right side
18,084,541.72x = 173,970,494,158,120.56 - Step 5: Solve for x
x = 173,970,494,158,120.56/18,084,541.72 - Step 6: Final answer
x = 9,619,845.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.