Finding the Fourth Proportional to 12,367,104.40, 18,545,407.80 and 5,979,314.80
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Solution
The fourth proportional to 12,367,104.40, 18,545,407.80 and 5,979,314.80 is: 8,966,434.48
Step by Step Solution
- Step 1: Write the proportion equation
12,367,104.40 : 18,545,407.80 = 5,979,314.80 : x - Step 2: Convert to fraction form
12,367,104.40/18,545,407.80 = 5,979,314.80/x - Step 3: Cross multiply
12,367,104.40x = 18,545,407.80 × 5,979,314.80 - Step 4: Simplify right side
12,367,104.40x = 110,888,831,330,575.44 - Step 5: Solve for x
x = 110,888,831,330,575.44/12,367,104.40 - Step 6: Final answer
x = 8,966,434.48
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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.