Finding the Fourth Proportional to 32,256,043.40, 48,384,065.10 and 19,490,961.80
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Solution
The fourth proportional to 32,256,043.40, 48,384,065.10 and 19,490,961.80 is: 29,236,442.70
Step by Step Solution
- Step 1: Write the proportion equation
32,256,043.40 : 48,384,065.10 = 19,490,961.80 : x - Step 2: Convert to fraction form
32,256,043.40/48,384,065.10 = 19,490,961.80/x - Step 3: Cross multiply
32,256,043.40x = 48,384,065.10 × 19,490,961.80 - Step 4: Simplify right side
32,256,043.40x = 943,051,964,592,813.25 - Step 5: Solve for x
x = 943,051,964,592,813.25/32,256,043.40 - Step 6: Final answer
x = 29,236,442.70
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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.