Finding the Fourth Proportional to 12,248,656.96, 18,375,642.96 and 3,728,773.12
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Solution
The fourth proportional to 12,248,656.96, 18,375,642.96 and 3,728,773.12 is: 5,593,968.69
Step by Step Solution
- Step 1: Write the proportion equation
12,248,656.96 : 18,375,642.96 = 3,728,773.12 : x - Step 2: Convert to fraction form
12,248,656.96/18,375,642.96 = 3,728,773.12/x - Step 3: Cross multiply
12,248,656.96x = 18,375,642.96 × 3,728,773.12 - Step 4: Simplify right side
12,248,656.96x = 68,518,603,531,965.24 - Step 5: Solve for x
x = 68,518,603,531,965.24/12,248,656.96 - Step 6: Final answer
x = 5,593,968.69
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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.