Finding the Fourth Proportional to 12,248,330.52, 18,369,755.62 and 3,610,588.12
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Solution
The fourth proportional to 12,248,330.52, 18,369,755.62 and 3,610,588.12 is: 5,415,074.43
Step by Step Solution
- Step 1: Write the proportion equation
12,248,330.52 : 18,369,755.62 = 3,610,588.12 : x - Step 2: Convert to fraction form
12,248,330.52/18,369,755.62 = 3,610,588.12/x - Step 3: Cross multiply
12,248,330.52x = 18,369,755.62 × 3,610,588.12 - Step 4: Simplify right side
12,248,330.52x = 66,325,621,408,875.24 - Step 5: Solve for x
x = 66,325,621,408,875.24/12,248,330.52 - Step 6: Final answer
x = 5,415,074.43
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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.