Finding the Fourth Proportional to 7,926,863.95, 11,874,816.43 and 3,766,344.70
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Solution
The fourth proportional to 7,926,863.95, 11,874,816.43 and 3,766,344.70 is: 5,642,162.17
Step by Step Solution
- Step 1: Write the proportion equation
7,926,863.95 : 11,874,816.43 = 3,766,344.70 : x - Step 2: Convert to fraction form
7,926,863.95/11,874,816.43 = 3,766,344.70/x - Step 3: Cross multiply
7,926,863.95x = 11,874,816.43 × 3,766,344.70 - Step 4: Simplify right side
7,926,863.95x = 44,724,651,921,727.55 - Step 5: Solve for x
x = 44,724,651,921,727.55/7,926,863.95 - Step 6: Final answer
x = 5,642,162.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.