Finding the Fourth Proportional to 27,739,498.14, 38,283,388.84 and 15,979,172.94
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Solution
The fourth proportional to 27,739,498.14, 38,283,388.84 and 15,979,172.94 is: 22,052,918.47
Step by Step Solution
- Step 1: Write the proportion equation
27,739,498.14 : 38,283,388.84 = 15,979,172.94 : x - Step 2: Convert to fraction form
27,739,498.14/38,283,388.84 = 15,979,172.94/x - Step 3: Cross multiply
27,739,498.14x = 38,283,388.84 × 15,979,172.94 - Step 4: Simplify right side
27,739,498.14x = 611,736,891,003,626 - Step 5: Solve for x
x = 611,736,891,003,626/27,739,498.14 - Step 6: Final answer
x = 22,052,918.47
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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.