Finding the Fourth Proportional to 19,676,656.08, 27,146,465.76 and 11,412,084.24
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Solution
The fourth proportional to 19,676,656.08, 27,146,465.76 and 11,412,084.24 is: 15,744,431.01
Step by Step Solution
- Step 1: Write the proportion equation
19,676,656.08 : 27,146,465.76 = 11,412,084.24 : x - Step 2: Convert to fraction form
19,676,656.08/27,146,465.76 = 11,412,084.24/x - Step 3: Cross multiply
19,676,656.08x = 27,146,465.76 × 11,412,084.24 - Step 4: Simplify right side
19,676,656.08x = 309,797,754,071,395.62 - Step 5: Solve for x
x = 309,797,754,071,395.62/19,676,656.08 - Step 6: Final answer
x = 15,744,431.01
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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.