Finding the Fourth Proportional to 32,257,912.40, 48,386,868.60 and 19,492,830.80
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Solution
The fourth proportional to 32,257,912.40, 48,386,868.60 and 19,492,830.80 is: 29,239,246.20
Step by Step Solution
- Step 1: Write the proportion equation
32,257,912.40 : 48,386,868.60 = 19,492,830.80 : x - Step 2: Convert to fraction form
32,257,912.40/48,386,868.60 = 19,492,830.80/x - Step 3: Cross multiply
32,257,912.40x = 48,386,868.60 × 19,492,830.80 - Step 4: Simplify right side
32,257,912.40x = 943,197,042,561,633 - Step 5: Solve for x
x = 943,197,042,561,633/32,257,912.40 - Step 6: Final answer
x = 29,239,246.20
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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.