Finding the Fourth Proportional to 11,382,089.28, 15,707,786.40 and 6,554,748.48
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Solution
The fourth proportional to 11,382,089.28, 15,707,786.40 and 6,554,748.48 is: 9,045,842.68
Step by Step Solution
- Step 1: Write the proportion equation
11,382,089.28 : 15,707,786.40 = 6,554,748.48 : x - Step 2: Convert to fraction form
11,382,089.28/15,707,786.40 = 6,554,748.48/x - Step 3: Cross multiply
11,382,089.28x = 15,707,786.40 × 6,554,748.48 - Step 4: Simplify right side
11,382,089.28x = 102,960,589,029,564.69 - Step 5: Solve for x
x = 102,960,589,029,564.69/11,382,089.28 - Step 6: Final answer
x = 9,045,842.68
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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.