Finding the Fourth Proportional to 8,117,515.62, 11,202,146.91 and 4,679,726.58
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Solution
The fourth proportional to 8,117,515.62, 11,202,146.91 and 4,679,726.58 is: 6,458,008.47
Step by Step Solution
- Step 1: Write the proportion equation
8,117,515.62 : 11,202,146.91 = 4,679,726.58 : x - Step 2: Convert to fraction form
8,117,515.62/11,202,146.91 = 4,679,726.58/x - Step 3: Cross multiply
8,117,515.62x = 11,202,146.91 × 4,679,726.58 - Step 4: Simplify right side
8,117,515.62x = 52,422,984,647,791.87 - Step 5: Solve for x
x = 52,422,984,647,791.87/8,117,515.62 - Step 6: Final answer
x = 6,458,008.47
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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.