Finding the Fourth Proportional to 21,184,033.96, 29,234,937.80 and 11,764,868.04
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Solution
The fourth proportional to 21,184,033.96, 29,234,937.80 and 11,764,868.04 is: 16,236,057.12
Step by Step Solution
- Step 1: Write the proportion equation
21,184,033.96 : 29,234,937.80 = 11,764,868.04 : x - Step 2: Convert to fraction form
21,184,033.96/29,234,937.80 = 11,764,868.04/x - Step 3: Cross multiply
21,184,033.96x = 29,234,937.80 × 11,764,868.04 - Step 4: Simplify right side
21,184,033.96x = 343,945,185,374,607.88 - Step 5: Solve for x
x = 343,945,185,374,607.88/21,184,033.96 - Step 6: Final answer
x = 16,236,057.12
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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.