Finding the Fourth Proportional to 36,753,840.15, 55,117,474.20 and 18,551,985.90
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Solution
The fourth proportional to 36,753,840.15, 55,117,474.20 and 18,551,985.90 is: 27,821,272.55
Step by Step Solution
- Step 1: Write the proportion equation
36,753,840.15 : 55,117,474.20 = 18,551,985.90 : x - Step 2: Convert to fraction form
36,753,840.15/55,117,474.20 = 18,551,985.90/x - Step 3: Cross multiply
36,753,840.15x = 55,117,474.20 × 18,551,985.90 - Step 4: Simplify right side
36,753,840.15x = 1,022,538,604,202,013.75 - Step 5: Solve for x
x = 1,022,538,604,202,013.75/36,753,840.15 - Step 6: Final answer
x = 27,821,272.55
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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.