Finding the Fourth Proportional to 13,603,979.76, 18,772,630.84 and 7,492,408.24
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Solution
The fourth proportional to 13,603,979.76, 18,772,630.84 and 7,492,408.24 is: 10,339,049.05
Step by Step Solution
- Step 1: Write the proportion equation
13,603,979.76 : 18,772,630.84 = 7,492,408.24 : x - Step 2: Convert to fraction form
13,603,979.76/18,772,630.84 = 7,492,408.24/x - Step 3: Cross multiply
13,603,979.76x = 18,772,630.84 × 7,492,408.24 - Step 4: Simplify right side
13,603,979.76x = 140,652,213,992,094.12 - Step 5: Solve for x
x = 140,652,213,992,094.12/13,603,979.76 - Step 6: Final answer
x = 10,339,049.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.