Finding the Fourth Proportional to 23,621,152.40, 32,597,190.12 and 12,756,135.44
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Solution
The fourth proportional to 23,621,152.40, 32,597,190.12 and 12,756,135.44 is: 17,603,466.80
Step by Step Solution
- Step 1: Write the proportion equation
23,621,152.40 : 32,597,190.12 = 12,756,135.44 : x - Step 2: Convert to fraction form
23,621,152.40/32,597,190.12 = 12,756,135.44/x - Step 3: Cross multiply
23,621,152.40x = 32,597,190.12 × 12,756,135.44 - Step 4: Simplify right side
23,621,152.40x = 415,814,172,134,149.88 - Step 5: Solve for x
x = 415,814,172,134,149.88/23,621,152.40 - Step 6: Final answer
x = 17,603,466.80
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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.