Finding the Fourth Proportional to 27,022,411.36, 37,293,589.92 and 15,421,720.96
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Solution
The fourth proportional to 27,022,411.36, 37,293,589.92 and 15,421,720.96 is: 21,283,494.27
Step by Step Solution
- Step 1: Write the proportion equation
27,022,411.36 : 37,293,589.92 = 15,421,720.96 : x - Step 2: Convert to fraction form
27,022,411.36/37,293,589.92 = 15,421,720.96/x - Step 3: Cross multiply
27,022,411.36x = 37,293,589.92 × 15,421,720.96 - Step 4: Simplify right side
27,022,411.36x = 575,131,337,342,908.75 - Step 5: Solve for x
x = 575,131,337,342,908.75/27,022,411.36 - Step 6: Final answer
x = 21,283,494.27
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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.