Finding the Fourth Proportional to 32,081,421.40, 48,116,227.20 and 19,929,137.20
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Solution
The fourth proportional to 32,081,421.40, 48,116,227.20 and 19,929,137.20 is: 29,890,037.65
Step by Step Solution
- Step 1: Write the proportion equation
32,081,421.40 : 48,116,227.20 = 19,929,137.20 : x - Step 2: Convert to fraction form
32,081,421.40/48,116,227.20 = 19,929,137.20/x - Step 3: Cross multiply
32,081,421.40x = 48,116,227.20 × 19,929,137.20 - Step 4: Simplify right side
32,081,421.40x = 958,914,893,415,171.88 - Step 5: Solve for x
x = 958,914,893,415,171.88/32,081,421.40 - Step 6: Final answer
x = 29,890,037.65
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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.