Finding the Fourth Proportional to 19,616,399.68, 27,070,207.34 and 11,356,810.24
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Solution
The fourth proportional to 19,616,399.68, 27,070,207.34 and 11,356,810.24 is: 15,672,152.53
Step by Step Solution
- Step 1: Write the proportion equation
19,616,399.68 : 27,070,207.34 = 11,356,810.24 : x - Step 2: Convert to fraction form
19,616,399.68/27,070,207.34 = 11,356,810.24/x - Step 3: Cross multiply
19,616,399.68x = 27,070,207.34 × 11,356,810.24 - Step 4: Simplify right side
19,616,399.68x = 307,431,207,917,835.19 - Step 5: Solve for x
x = 307,431,207,917,835.19/19,616,399.68 - Step 6: Final answer
x = 15,672,152.53
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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.