Finding the Fourth Proportional to 8,194,878.84, 12,289,432.56 and 2,728,489.17
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Solution
The fourth proportional to 8,194,878.84, 12,289,432.56 and 2,728,489.17 is: 4,091,772.96
Step by Step Solution
- Step 1: Write the proportion equation
8,194,878.84 : 12,289,432.56 = 2,728,489.17 : x - Step 2: Convert to fraction form
8,194,878.84/12,289,432.56 = 2,728,489.17/x - Step 3: Cross multiply
8,194,878.84x = 12,289,432.56 × 2,728,489.17 - Step 4: Simplify right side
8,194,878.84x = 33,531,583,645,405.38 - Step 5: Solve for x
x = 33,531,583,645,405.38/8,194,878.84 - Step 6: Final answer
x = 4,091,772.96
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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.