Finding the Fourth Proportional to 12,344,613.36, 18,517,805.77 and 4,257,470.08
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Solution
The fourth proportional to 12,344,613.36, 18,517,805.77 and 4,257,470.08 is: 6,386,510.59
Step by Step Solution
- Step 1: Write the proportion equation
12,344,613.36 : 18,517,805.77 = 4,257,470.08 : x - Step 2: Convert to fraction form
12,344,613.36/18,517,805.77 = 4,257,470.08/x - Step 3: Cross multiply
12,344,613.36x = 18,517,805.77 × 4,257,470.08 - Step 4: Simplify right side
12,344,613.36x = 78,839,004,013,026.36 - Step 5: Solve for x
x = 78,839,004,013,026.36/12,344,613.36 - Step 6: Final answer
x = 6,386,510.59
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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.