Finding the Fourth Proportional to 12,766,211.92, 17,617,352.35 and 6,964,994.17
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Solution
The fourth proportional to 12,766,211.92, 17,617,352.35 and 6,964,994.17 is: 9,611,680.99
Step by Step Solution
- Step 1: Write the proportion equation
12,766,211.92 : 17,617,352.35 = 6,964,994.17 : x - Step 2: Convert to fraction form
12,766,211.92/17,617,352.35 = 6,964,994.17/x - Step 3: Cross multiply
12,766,211.92x = 17,617,352.35 × 6,964,994.17 - Step 4: Simplify right side
12,766,211.92x = 122,704,756,373,760.81 - Step 5: Solve for x
x = 122,704,756,373,760.81/12,766,211.92 - Step 6: Final answer
x = 9,611,680.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.