Finding the Fourth Proportional to 12,795,724.70, 19,193,587.12 and 4,276,061.18
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Solution
The fourth proportional to 12,795,724.70, 19,193,587.12 and 4,276,061.18 is: 6,414,091.79
Step by Step Solution
- Step 1: Write the proportion equation
12,795,724.70 : 19,193,587.12 = 4,276,061.18 : x - Step 2: Convert to fraction form
12,795,724.70/19,193,587.12 = 4,276,061.18/x - Step 3: Cross multiply
12,795,724.70x = 19,193,587.12 × 4,276,061.18 - Step 4: Simplify right side
12,795,724.70x = 82,072,952,788,780 - Step 5: Solve for x
x = 82,072,952,788,780/12,795,724.70 - Step 6: Final answer
x = 6,414,091.79
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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.