Finding the Fourth Proportional to 35,172,835.20, 52,757,503.20 and 18,135,230.40
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Solution
The fourth proportional to 35,172,835.20, 52,757,503.20 and 18,135,230.40 is: 27,201,943.50
Step by Step Solution
- Step 1: Write the proportion equation
35,172,835.20 : 52,757,503.20 = 18,135,230.40 : x - Step 2: Convert to fraction form
35,172,835.20/52,757,503.20 = 18,135,230.40/x - Step 3: Cross multiply
35,172,835.20x = 52,757,503.20 × 18,135,230.40 - Step 4: Simplify right side
35,172,835.20x = 956,769,475,860,737.25 - Step 5: Solve for x
x = 956,769,475,860,737.25/35,172,835.20 - Step 6: Final answer
x = 27,201,943.50
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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.