Finding the Fourth Proportional to 11,084,767.76, 15,304,177.34 and 9,921,199.02
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Solution
The fourth proportional to 11,084,767.76, 15,304,177.34 and 9,921,199.02 is: 13,697,696.92
Step by Step Solution
- Step 1: Write the proportion equation
11,084,767.76 : 15,304,177.34 = 9,921,199.02 : x - Step 2: Convert to fraction form
11,084,767.76/15,304,177.34 = 9,921,199.02/x - Step 3: Cross multiply
11,084,767.76x = 15,304,177.34 × 9,921,199.02 - Step 4: Simplify right side
11,084,767.76x = 151,835,789,227,514.19 - Step 5: Solve for x
x = 151,835,789,227,514.19/11,084,767.76 - Step 6: Final answer
x = 13,697,696.92
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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.