Finding the Fourth Proportional to 54,486,736.50, 81,730,405.76 and 13,546,175.68
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Solution
The fourth proportional to 54,486,736.50, 81,730,405.76 and 13,546,175.68 is: 20,319,338.36
Step by Step Solution
- Step 1: Write the proportion equation
54,486,736.50 : 81,730,405.76 = 13,546,175.68 : x - Step 2: Convert to fraction form
54,486,736.50/81,730,405.76 = 13,546,175.68/x - Step 3: Cross multiply
54,486,736.50x = 81,730,405.76 × 13,546,175.68 - Step 4: Simplify right side
54,486,736.50x = 1,107,134,434,822,644 - Step 5: Solve for x
x = 1,107,134,434,822,644/54,486,736.50 - Step 6: Final answer
x = 20,319,338.36
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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.