Finding the Fourth Proportional to 21,983,167.20, 32,974,835.64 and 9,194,701.44
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Solution
The fourth proportional to 21,983,167.20, 32,974,835.64 and 9,194,701.44 is: 13,792,087.65
Step by Step Solution
- Step 1: Write the proportion equation
21,983,167.20 : 32,974,835.64 = 9,194,701.44 : x - Step 2: Convert to fraction form
21,983,167.20/32,974,835.64 = 9,194,701.44/x - Step 3: Cross multiply
21,983,167.20x = 32,974,835.64 × 9,194,701.44 - Step 4: Simplify right side
21,983,167.20x = 303,193,768,742,871.31 - Step 5: Solve for x
x = 303,193,768,742,871.31/21,983,167.20 - Step 6: Final answer
x = 13,792,087.65
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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.