Finding the Fourth Proportional to 49,933,321.12, 74,878,713.84 and 19,619,920.48
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Solution
The fourth proportional to 49,933,321.12, 74,878,713.84 and 19,619,920.48 is: 29,421,524.11
Step by Step Solution
- Step 1: Write the proportion equation
49,933,321.12 : 74,878,713.84 = 19,619,920.48 : x - Step 2: Convert to fraction form
49,933,321.12/74,878,713.84 = 19,619,920.48/x - Step 3: Cross multiply
49,933,321.12x = 74,878,713.84 × 19,619,920.48 - Step 4: Simplify right side
49,933,321.12x = 1,469,114,411,185,475.50 - Step 5: Solve for x
x = 1,469,114,411,185,475.50/49,933,321.12 - Step 6: Final answer
x = 29,421,524.11
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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.