Finding the Fourth Proportional to 52,485,236.10, 78,718,882.80 and 14,137,782.18
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Solution
The fourth proportional to 52,485,236.10, 78,718,882.80 and 14,137,782.18 is: 21,204,256.69
Step by Step Solution
- Step 1: Write the proportion equation
52,485,236.10 : 78,718,882.80 = 14,137,782.18 : x - Step 2: Convert to fraction form
52,485,236.10/78,718,882.80 = 14,137,782.18/x - Step 3: Cross multiply
52,485,236.10x = 78,718,882.80 × 14,137,782.18 - Step 4: Simplify right side
52,485,236.10x = 1,112,910,418,479,348.50 - Step 5: Solve for x
x = 1,112,910,418,479,348.50/52,485,236.10 - Step 6: Final answer
x = 21,204,256.69
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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.