Finding the Fourth Proportional to 8,758,013.60, 13,146,850.80 and 6,772,272.80
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Solution
The fourth proportional to 8,758,013.60, 13,146,850.80 and 6,772,272.80 is: 10,166,010.71
Step by Step Solution
- Step 1: Write the proportion equation
8,758,013.60 : 13,146,850.80 = 6,772,272.80 : x - Step 2: Convert to fraction form
8,758,013.60/13,146,850.80 = 6,772,272.80/x - Step 3: Cross multiply
8,758,013.60x = 13,146,850.80 × 6,772,272.80 - Step 4: Simplify right side
8,758,013.60x = 89,034,060,078,498.25 - Step 5: Solve for x
x = 89,034,060,078,498.25/8,758,013.60 - Step 6: Final answer
x = 10,166,010.71
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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.