Finding the Fourth Proportional to 8,788,607.92, 12,128,375.93 and 4,868,424.09
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Solution
The fourth proportional to 8,788,607.92, 12,128,375.93 and 4,868,424.09 is: 6,718,478.97
Step by Step Solution
- Step 1: Write the proportion equation
8,788,607.92 : 12,128,375.93 = 4,868,424.09 : x - Step 2: Convert to fraction form
8,788,607.92/12,128,375.93 = 4,868,424.09/x - Step 3: Cross multiply
8,788,607.92x = 12,128,375.93 × 4,868,424.09 - Step 4: Simplify right side
8,788,607.92x = 59,046,077,510,792.27 - Step 5: Solve for x
x = 59,046,077,510,792.27/8,788,607.92 - Step 6: Final answer
x = 6,718,478.97
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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.