Finding the Fourth Proportional to 27,022,405.36, 37,293,581.64 and 15,421,714.96
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Solution
The fourth proportional to 27,022,405.36, 37,293,581.64 and 15,421,714.96 is: 21,283,485.99
Step by Step Solution
- Step 1: Write the proportion equation
27,022,405.36 : 37,293,581.64 = 15,421,714.96 : x - Step 2: Convert to fraction form
27,022,405.36/37,293,581.64 = 15,421,714.96/x - Step 3: Cross multiply
27,022,405.36x = 37,293,581.64 × 15,421,714.96 - Step 4: Simplify right side
27,022,405.36x = 575,130,985,889,569.38 - Step 5: Solve for x
x = 575,130,985,889,569.38/27,022,405.36 - Step 6: Final answer
x = 21,283,485.99
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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.