Finding the Fourth Proportional to 12,204,137.32, 18,303,613.98 and 4,628,447.08
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Solution
The fourth proportional to 12,204,137.32, 18,303,613.98 and 4,628,447.08 is: 6,941,687.60
Step by Step Solution
- Step 1: Write the proportion equation
12,204,137.32 : 18,303,613.98 = 4,628,447.08 : x - Step 2: Convert to fraction form
12,204,137.32/18,303,613.98 = 4,628,447.08/x - Step 3: Cross multiply
12,204,137.32x = 18,303,613.98 × 4,628,447.08 - Step 4: Simplify right side
12,204,137.32x = 84,717,308,679,178.19 - Step 5: Solve for x
x = 84,717,308,679,178.19/12,204,137.32 - Step 6: Final answer
x = 6,941,687.60
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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.