Finding the Fourth Proportional to 35,237,380.96, 48,629,187.92 and 20,553,338.08
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Solution
The fourth proportional to 35,237,380.96, 48,629,187.92 and 20,553,338.08 is: 28,364,541.08
Step by Step Solution
- Step 1: Write the proportion equation
35,237,380.96 : 48,629,187.92 = 20,553,338.08 : x - Step 2: Convert to fraction form
35,237,380.96/48,629,187.92 = 20,553,338.08/x - Step 3: Cross multiply
35,237,380.96x = 48,629,187.92 × 20,553,338.08 - Step 4: Simplify right side
35,237,380.96x = 999,492,139,875,612 - Step 5: Solve for x
x = 999,492,139,875,612/35,237,380.96 - Step 6: Final answer
x = 28,364,541.08
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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.