Finding the Fourth Proportional to 11,001,828.93, 15,192,862.35 and 7,088,454.87
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Solution
The fourth proportional to 11,001,828.93, 15,192,862.35 and 7,088,454.87 is: 9,788,728.75
Step by Step Solution
- Step 1: Write the proportion equation
11,001,828.93 : 15,192,862.35 = 7,088,454.87 : x - Step 2: Convert to fraction form
11,001,828.93/15,192,862.35 = 7,088,454.87/x - Step 3: Cross multiply
11,001,828.93x = 15,192,862.35 × 7,088,454.87 - Step 4: Simplify right side
11,001,828.93x = 107,693,919,114,097.14 - Step 5: Solve for x
x = 107,693,919,114,097.14/11,001,828.93 - Step 6: Final answer
x = 9,788,728.75
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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.