Finding the Fourth Proportional to 39,810,881.76, 54,910,716.65 and 26,573,384.53
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Solution
The fourth proportional to 39,810,881.76, 54,910,716.65 and 26,573,384.53 is: 36,652,380.56
Step by Step Solution
- Step 1: Write the proportion equation
39,810,881.76 : 54,910,716.65 = 26,573,384.53 : x - Step 2: Convert to fraction form
39,810,881.76/54,910,716.65 = 26,573,384.53/x - Step 3: Cross multiply
39,810,881.76x = 54,910,716.65 × 26,573,384.53 - Step 4: Simplify right side
39,810,881.76x = 1,459,163,588,393,745 - Step 5: Solve for x
x = 1,459,163,588,393,745/39,810,881.76 - Step 6: Final answer
x = 36,652,380.56
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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.