Finding the Fourth Proportional to 8,981,639.05, 13,472,458.58 and 4,434,866.05
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Solution
The fourth proportional to 8,981,639.05, 13,472,458.58 and 4,434,866.05 is: 6,652,299.08
Step by Step Solution
- Step 1: Write the proportion equation
8,981,639.05 : 13,472,458.58 = 4,434,866.05 : x - Step 2: Convert to fraction form
8,981,639.05/13,472,458.58 = 4,434,866.05/x - Step 3: Cross multiply
8,981,639.05x = 13,472,458.58 × 4,434,866.05 - Step 4: Simplify right side
8,981,639.05x = 59,748,549,144,298.88 - Step 5: Solve for x
x = 59,748,549,144,298.88/8,981,639.05 - Step 6: Final answer
x = 6,652,299.08
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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.