Finding the Fourth Proportional to 17,784,979.65, 24,543,288.09 and 9,636,217.65
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Solution
The fourth proportional to 17,784,979.65, 24,543,288.09 and 9,636,217.65 is: 13,297,989.12
Step by Step Solution
- Step 1: Write the proportion equation
17,784,979.65 : 24,543,288.09 = 9,636,217.65 : x - Step 2: Convert to fraction form
17,784,979.65/24,543,288.09 = 9,636,217.65/x - Step 3: Cross multiply
17,784,979.65x = 24,543,288.09 × 9,636,217.65 - Step 4: Simplify right side
17,784,979.65x = 236,504,465,881,892.78 - Step 5: Solve for x
x = 236,504,465,881,892.78/17,784,979.65 - Step 6: Final answer
x = 13,297,989.12
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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.