Finding the Fourth Proportional to 14,339,697.18, 19,788,532.92 and 7,813,380.26
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Solution
The fourth proportional to 14,339,697.18, 19,788,532.92 and 7,813,380.26 is: 10,782,328.98
Step by Step Solution
- Step 1: Write the proportion equation
14,339,697.18 : 19,788,532.92 = 7,813,380.26 : x - Step 2: Convert to fraction form
14,339,697.18/19,788,532.92 = 7,813,380.26/x - Step 3: Cross multiply
14,339,697.18x = 19,788,532.92 × 7,813,380.26 - Step 4: Simplify right side
14,339,697.18x = 154,615,332,491,488.16 - Step 5: Solve for x
x = 154,615,332,491,488.16/14,339,697.18 - Step 6: Final answer
x = 10,782,328.98
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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.