Finding the Fourth Proportional to 19,597,286.40, 29,396,851.20 and 6,134,553.60
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Solution
The fourth proportional to 19,597,286.40, 29,396,851.20 and 6,134,553.60 is: 9,202,118.89
Step by Step Solution
- Step 1: Write the proportion equation
19,597,286.40 : 29,396,851.20 = 6,134,553.60 : x - Step 2: Convert to fraction form
19,597,286.40/29,396,851.20 = 6,134,553.60/x - Step 3: Cross multiply
19,597,286.40x = 29,396,851.20 × 6,134,553.60 - Step 4: Simplify right side
19,597,286.40x = 180,336,559,357,624.31 - Step 5: Solve for x
x = 180,336,559,357,624.31/19,597,286.40 - Step 6: Final answer
x = 9,202,118.89
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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.