Finding the Fourth Proportional to 10,893,552.84, 16,342,678.06 and 5,431,625.80
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Solution
The fourth proportional to 10,893,552.84, 16,342,678.06 and 5,431,625.80 is: 8,148,609.83
Step by Step Solution
- Step 1: Write the proportion equation
10,893,552.84 : 16,342,678.06 = 5,431,625.80 : x - Step 2: Convert to fraction form
10,893,552.84/16,342,678.06 = 5,431,625.80/x - Step 3: Cross multiply
10,893,552.84x = 16,342,678.06 × 5,431,625.80 - Step 4: Simplify right side
10,893,552.84x = 88,767,311,791,789.95 - Step 5: Solve for x
x = 88,767,311,791,789.95/10,893,552.84 - Step 6: Final answer
x = 8,148,609.83
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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.