Finding the Fourth Proportional to 16,272,173.70, 24,408,260.55 and 12,493,037.70
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Solution
The fourth proportional to 16,272,173.70, 24,408,260.55 and 12,493,037.70 is: 18,739,556.55
Step by Step Solution
- Step 1: Write the proportion equation
16,272,173.70 : 24,408,260.55 = 12,493,037.70 : x - Step 2: Convert to fraction form
16,272,173.70/24,408,260.55 = 12,493,037.70/x - Step 3: Cross multiply
16,272,173.70x = 24,408,260.55 × 12,493,037.70 - Step 4: Simplify right side
16,272,173.70x = 304,933,319,242,572.75 - Step 5: Solve for x
x = 304,933,319,242,572.75/16,272,173.70 - Step 6: Final answer
x = 18,739,556.55
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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.