Finding the Fourth Proportional to 8,758,057.60, 13,146,916.80 and 6,772,316.80
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Solution
The fourth proportional to 8,758,057.60, 13,146,916.80 and 6,772,316.80 is: 10,166,076.72
Step by Step Solution
- Step 1: Write the proportion equation
8,758,057.60 : 13,146,916.80 = 6,772,316.80 : x - Step 2: Convert to fraction form
8,758,057.60/13,146,916.80 = 6,772,316.80/x - Step 3: Cross multiply
8,758,057.60x = 13,146,916.80 × 6,772,316.80 - Step 4: Simplify right side
8,758,057.60x = 89,035,085,512,842.25 - Step 5: Solve for x
x = 89,035,085,512,842.25/8,758,057.60 - Step 6: Final answer
x = 10,166,076.72
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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.