Finding the Fourth Proportional to 18,611,435.35, 27,917,162.76 and 5,832,935.29
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Solution
The fourth proportional to 18,611,435.35, 27,917,162.76 and 5,832,935.29 is: 8,749,405.99
Step by Step Solution
- Step 1: Write the proportion equation
18,611,435.35 : 27,917,162.76 = 5,832,935.29 : x - Step 2: Convert to fraction form
18,611,435.35/27,917,162.76 = 5,832,935.29/x - Step 3: Cross multiply
18,611,435.35x = 27,917,162.76 × 5,832,935.29 - Step 4: Simplify right side
18,611,435.35x = 162,839,003,859,477.81 - Step 5: Solve for x
x = 162,839,003,859,477.81/18,611,435.35 - Step 6: Final answer
x = 8,749,405.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.