Finding the Fourth Proportional to 8,788,608.46, 12,128,376.67 and 4,868,424.62
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Solution
The fourth proportional to 8,788,608.46, 12,128,376.67 and 4,868,424.62 is: 6,718,479.71
Step by Step Solution
- Step 1: Write the proportion equation
8,788,608.46 : 12,128,376.67 = 4,868,424.62 : x - Step 2: Convert to fraction form
8,788,608.46/12,128,376.67 = 4,868,424.62/x - Step 3: Cross multiply
8,788,608.46x = 12,128,376.67 × 4,868,424.62 - Step 4: Simplify right side
8,788,608.46x = 59,046,087,580,861.62 - Step 5: Solve for x
x = 59,046,087,580,861.62/8,788,608.46 - Step 6: Final answer
x = 6,718,479.71
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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.