Finding the Fourth Proportional to 10,641,957.21, 15,964,655.22 and 4,494,862.98
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Solution
The fourth proportional to 10,641,957.21, 15,964,655.22 and 4,494,862.98 is: 6,743,020.70
Step by Step Solution
- Step 1: Write the proportion equation
10,641,957.21 : 15,964,655.22 = 4,494,862.98 : x - Step 2: Convert to fraction form
10,641,957.21/15,964,655.22 = 4,494,862.98/x - Step 3: Cross multiply
10,641,957.21x = 15,964,655.22 × 4,494,862.98 - Step 4: Simplify right side
10,641,957.21x = 71,758,937,736,841.77 - Step 5: Solve for x
x = 71,758,937,736,841.77/10,641,957.21 - Step 6: Final answer
x = 6,743,020.70
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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.