Finding the Fourth Proportional to 20,853,375.30, 31,283,015.40 and 6,474,943.80
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Solution
The fourth proportional to 20,853,375.30, 31,283,015.40 and 6,474,943.80 is: 9,713,332.43
Step by Step Solution
- Step 1: Write the proportion equation
20,853,375.30 : 31,283,015.40 = 6,474,943.80 : x - Step 2: Convert to fraction form
20,853,375.30/31,283,015.40 = 6,474,943.80/x - Step 3: Cross multiply
20,853,375.30x = 31,283,015.40 × 6,474,943.80 - Step 4: Simplify right side
20,853,375.30x = 202,555,766,609,534.50 - Step 5: Solve for x
x = 202,555,766,609,534.50/20,853,375.30 - Step 6: Final answer
x = 9,713,332.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.