Finding the Fourth Proportional to 12,670,964.84, 17,500,362.18 and 8,589,497.96
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Solution
The fourth proportional to 12,670,964.84, 17,500,362.18 and 8,589,497.96 is: 11,863,289.59
Step by Step Solution
- Step 1: Write the proportion equation
12,670,964.84 : 17,500,362.18 = 8,589,497.96 : x - Step 2: Convert to fraction form
12,670,964.84/17,500,362.18 = 8,589,497.96/x - Step 3: Cross multiply
12,670,964.84x = 17,500,362.18 × 8,589,497.96 - Step 4: Simplify right side
12,670,964.84x = 150,319,325,244,371.16 - Step 5: Solve for x
x = 150,319,325,244,371.16/12,670,964.84 - Step 6: Final answer
x = 11,863,289.59
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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.