Finding the Fourth Proportional to 8,470,548.12, 12,706,583.58 and 2,405,339.40
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Solution
The fourth proportional to 8,470,548.12, 12,706,583.58 and 2,405,339.40 is: 3,608,225.31
Step by Step Solution
- Step 1: Write the proportion equation
8,470,548.12 : 12,706,583.58 = 2,405,339.40 : x - Step 2: Convert to fraction form
8,470,548.12/12,706,583.58 = 2,405,339.40/x - Step 3: Cross multiply
8,470,548.12x = 12,706,583.58 × 2,405,339.40 - Step 4: Simplify right side
8,470,548.12x = 30,563,646,124,367.05 - Step 5: Solve for x
x = 30,563,646,124,367.05/8,470,548.12 - Step 6: Final answer
x = 3,608,225.31
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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.