Finding the Fourth Proportional to 21,271,469.97, 31,915,245.15 and 8,326,871.04
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Solution
The fourth proportional to 21,271,469.97, 31,915,245.15 and 8,326,871.04 is: 12,493,453.95
Step by Step Solution
- Step 1: Write the proportion equation
21,271,469.97 : 31,915,245.15 = 8,326,871.04 : x - Step 2: Convert to fraction form
21,271,469.97/31,915,245.15 = 8,326,871.04/x - Step 3: Cross multiply
21,271,469.97x = 31,915,245.15 × 8,326,871.04 - Step 4: Simplify right side
21,271,469.97x = 265,754,130,574,035.44 - Step 5: Solve for x
x = 265,754,130,574,035.44/21,271,469.97 - Step 6: Final answer
x = 12,493,453.95
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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.