Finding the Fourth Proportional to 8,609,406.18, 11,881,205.63 and 4,689,310.96
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Solution
The fourth proportional to 8,609,406.18, 11,881,205.63 and 4,689,310.96 is: 6,471,371.73
Step by Step Solution
- Step 1: Write the proportion equation
8,609,406.18 : 11,881,205.63 = 4,689,310.96 : x - Step 2: Convert to fraction form
8,609,406.18/11,881,205.63 = 4,689,310.96/x - Step 3: Cross multiply
8,609,406.18x = 11,881,205.63 × 4,689,310.96 - Step 4: Simplify right side
8,609,406.18x = 55,714,667,778,772.71 - Step 5: Solve for x
x = 55,714,667,778,772.71/8,609,406.18 - Step 6: Final answer
x = 6,471,371.73
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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.