Finding the Fourth Proportional to 21,766,456.79, 32,639,596.00 and 8,115,938.02
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Solution
The fourth proportional to 21,766,456.79, 32,639,596.00 and 8,115,938.02 is: 12,170,145.13
Step by Step Solution
- Step 1: Write the proportion equation
21,766,456.79 : 32,639,596.00 = 8,115,938.02 : x - Step 2: Convert to fraction form
21,766,456.79/32,639,596.00 = 8,115,938.02/x - Step 3: Cross multiply
21,766,456.79x = 32,639,596.00 × 8,115,938.02 - Step 4: Simplify right side
21,766,456.79x = 264,900,937,993,573.88 - Step 5: Solve for x
x = 264,900,937,993,573.88/21,766,456.79 - Step 6: Final answer
x = 12,170,145.13
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.