Finding the Fourth Proportional to 11,565,578.24, 15,960,306.51 and 6,338,546.18
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Solution
The fourth proportional to 11,565,578.24, 15,960,306.51 and 6,338,546.18 is: 8,747,088.79
Step by Step Solution
- Step 1: Write the proportion equation
11,565,578.24 : 15,960,306.51 = 6,338,546.18 : x - Step 2: Convert to fraction form
11,565,578.24/15,960,306.51 = 6,338,546.18/x - Step 3: Cross multiply
11,565,578.24x = 15,960,306.51 × 6,338,546.18 - Step 4: Simplify right side
11,565,578.24x = 101,165,139,780,788.09 - Step 5: Solve for x
x = 101,165,139,780,788.09/11,565,578.24 - Step 6: Final answer
x = 8,747,088.79
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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.