Finding the Fourth Proportional to 15,611,694.63, 21,544,393.76 and 8,547,170.08
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Solution
The fourth proportional to 15,611,694.63, 21,544,393.76 and 8,547,170.08 is: 11,795,234.41
Step by Step Solution
- Step 1: Write the proportion equation
15,611,694.63 : 21,544,393.76 = 8,547,170.08 : x - Step 2: Convert to fraction form
15,611,694.63/21,544,393.76 = 8,547,170.08/x - Step 3: Cross multiply
15,611,694.63x = 21,544,393.76 × 8,547,170.08 - Step 4: Simplify right side
15,611,694.63x = 184,143,597,737,210.72 - Step 5: Solve for x
x = 184,143,597,737,210.72/15,611,694.63 - Step 6: Final answer
x = 11,795,234.41
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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.