Finding the Fourth Proportional to 18,203,018.64, 27,312,494.04 and 8,625,233.04
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Solution
The fourth proportional to 18,203,018.64, 27,312,494.04 and 8,625,233.04 is: 12,941,624.17
Step by Step Solution
- Step 1: Write the proportion equation
18,203,018.64 : 27,312,494.04 = 8,625,233.04 : x - Step 2: Convert to fraction form
18,203,018.64/27,312,494.04 = 8,625,233.04/x - Step 3: Cross multiply
18,203,018.64x = 27,312,494.04 × 8,625,233.04 - Step 4: Simplify right side
18,203,018.64x = 235,576,625,998,611.06 - Step 5: Solve for x
x = 235,576,625,998,611.06/18,203,018.64 - Step 6: Final answer
x = 12,941,624.17
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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.