Finding the Fourth Proportional to 11,084,772.16, 15,304,183.41 and 9,921,203.43
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Solution
The fourth proportional to 11,084,772.16, 15,304,183.41 and 9,921,203.43 is: 13,697,703.01
Step by Step Solution
- Step 1: Write the proportion equation
11,084,772.16 : 15,304,183.41 = 9,921,203.43 : x - Step 2: Convert to fraction form
11,084,772.16/15,304,183.41 = 9,921,203.43/x - Step 3: Cross multiply
11,084,772.16x = 15,304,183.41 × 9,921,203.43 - Step 4: Simplify right side
11,084,772.16x = 151,835,916,940,641.09 - Step 5: Solve for x
x = 151,835,916,940,641.09/11,084,772.16 - Step 6: Final answer
x = 13,697,703.01
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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.