Finding the Fourth Proportional to 15,611,790.24, 21,544,525.92 and 8,547,265.68
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Solution
The fourth proportional to 15,611,790.24, 21,544,525.92 and 8,547,265.68 is: 11,795,366.46
Step by Step Solution
- Step 1: Write the proportion equation
15,611,790.24 : 21,544,525.92 = 8,547,265.68 : x - Step 2: Convert to fraction form
15,611,790.24/21,544,525.92 = 8,547,265.68/x - Step 3: Cross multiply
15,611,790.24x = 21,544,525.92 × 8,547,265.68 - Step 4: Simplify right side
15,611,790.24x = 184,146,786,987,886.44 - Step 5: Solve for x
x = 184,146,786,987,886.44/15,611,790.24 - Step 6: Final answer
x = 11,795,366.46
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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.