Finding the Fourth Proportional to 11,980,265.19, 16,532,765.58 and 6,473,639.94
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Solution
The fourth proportional to 11,980,265.19, 16,532,765.58 and 6,473,639.94 is: 8,933,622.91
Step by Step Solution
- Step 1: Write the proportion equation
11,980,265.19 : 16,532,765.58 = 6,473,639.94 : x - Step 2: Convert to fraction form
11,980,265.19/16,532,765.58 = 6,473,639.94/x - Step 3: Cross multiply
11,980,265.19x = 16,532,765.58 × 6,473,639.94 - Step 4: Simplify right side
11,980,265.19x = 107,027,171,577,345.27 - Step 5: Solve for x
x = 107,027,171,577,345.27/11,980,265.19 - Step 6: Final answer
x = 8,933,622.91
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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.