Finding the Fourth Proportional to 27,662,851.05, 41,494,276.58 and 12,546,307.05
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Solution
The fourth proportional to 27,662,851.05, 41,494,276.58 and 12,546,307.05 is: 18,819,460.58
Step by Step Solution
- Step 1: Write the proportion equation
27,662,851.05 : 41,494,276.58 = 12,546,307.05 : x - Step 2: Convert to fraction form
27,662,851.05/41,494,276.58 = 12,546,307.05/x - Step 3: Cross multiply
27,662,851.05x = 41,494,276.58 × 12,546,307.05 - Step 4: Simplify right side
27,662,851.05x = 520,599,934,727,572.44 - Step 5: Solve for x
x = 520,599,934,727,572.44/27,662,851.05 - Step 6: Final answer
x = 18,819,460.58
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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.