Finding the Fourth Proportional to 8,257,490.26, 12,386,235.39 and 2,578,201.18
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Solution
The fourth proportional to 8,257,490.26, 12,386,235.39 and 2,578,201.18 is: 3,867,301.77
Step by Step Solution
- Step 1: Write the proportion equation
8,257,490.26 : 12,386,235.39 = 2,578,201.18 : x - Step 2: Convert to fraction form
8,257,490.26/12,386,235.39 = 2,578,201.18/x - Step 3: Cross multiply
8,257,490.26x = 12,386,235.39 × 2,578,201.18 - Step 4: Simplify right side
8,257,490.26x = 31,934,206,657,621.92 - Step 5: Solve for x
x = 31,934,206,657,621.92/8,257,490.26 - Step 6: Final answer
x = 3,867,301.77
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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.