Finding the Fourth Proportional to 36,970,872.05, 55,461,352.35 and 15,400,429.20
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Solution
The fourth proportional to 36,970,872.05, 55,461,352.35 and 15,400,429.20 is: 23,102,745.02
Step by Step Solution
- Step 1: Write the proportion equation
36,970,872.05 : 55,461,352.35 = 15,400,429.20 : x - Step 2: Convert to fraction form
36,970,872.05/55,461,352.35 = 15,400,429.20/x - Step 3: Cross multiply
36,970,872.05x = 55,461,352.35 × 15,400,429.20 - Step 4: Simplify right side
36,970,872.05x = 854,128,630,202,428.62 - Step 5: Solve for x
x = 854,128,630,202,428.62/36,970,872.05 - Step 6: Final answer
x = 23,102,745.02
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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.