Finding the Fourth Proportional to 84,509,351.46, 126,782,213.94 and 26,215,867.62
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Solution
The fourth proportional to 84,509,351.46, 126,782,213.94 and 26,215,867.62 is: 39,329,443.19
Step by Step Solution
- Step 1: Write the proportion equation
84,509,351.46 : 126,782,213.94 = 26,215,867.62 : x - Step 2: Convert to fraction form
84,509,351.46/126,782,213.94 = 26,215,867.62/x - Step 3: Cross multiply
84,509,351.46x = 126,782,213.94 × 26,215,867.62 - Step 4: Simplify right side
84,509,351.46x = 3,323,705,737,221,558.50 - Step 5: Solve for x
x = 3,323,705,737,221,558.50/84,509,351.46 - Step 6: Final answer
x = 39,329,443.19
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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.