Finding the Fourth Proportional to 13,512,368.35, 20,268,395.26 and 5,425,201.89
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Solution
The fourth proportional to 13,512,368.35, 20,268,395.26 and 5,425,201.89 is: 8,137,739.69
Step by Step Solution
- Step 1: Write the proportion equation
13,512,368.35 : 20,268,395.26 = 5,425,201.89 : x - Step 2: Convert to fraction form
13,512,368.35/20,268,395.26 = 5,425,201.89/x - Step 3: Cross multiply
13,512,368.35x = 20,268,395.26 × 5,425,201.89 - Step 4: Simplify right side
13,512,368.35x = 109,960,136,271,819.05 - Step 5: Solve for x
x = 109,960,136,271,819.05/13,512,368.35 - Step 6: Final answer
x = 8,137,739.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.