Finding the Fourth Proportional to 8,158,405.95, 12,239,003.12 and 3,363,474.06
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Solution
The fourth proportional to 8,158,405.95, 12,239,003.12 and 3,363,474.06 is: 5,045,785.87
Step by Step Solution
- Step 1: Write the proportion equation
8,158,405.95 : 12,239,003.12 = 3,363,474.06 : x - Step 2: Convert to fraction form
8,158,405.95/12,239,003.12 = 3,363,474.06/x - Step 3: Cross multiply
8,158,405.95x = 12,239,003.12 × 3,363,474.06 - Step 4: Simplify right side
8,158,405.95x = 41,165,569,497,561.70 - Step 5: Solve for x
x = 41,165,569,497,561.70/8,158,405.95 - Step 6: Final answer
x = 5,045,785.87
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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.