Finding the Fourth Proportional to 10,361,048.70, 15,555,569.85 and 6,581,912.70
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Solution
The fourth proportional to 10,361,048.70, 15,555,569.85 and 6,581,912.70 is: 9,881,760.59
Step by Step Solution
- Step 1: Write the proportion equation
10,361,048.70 : 15,555,569.85 = 6,581,912.70 : x - Step 2: Convert to fraction form
10,361,048.70/15,555,569.85 = 6,581,912.70/x - Step 3: Cross multiply
10,361,048.70x = 15,555,569.85 × 6,581,912.70 - Step 4: Simplify right side
10,361,048.70x = 102,385,402,751,452.09 - Step 5: Solve for x
x = 102,385,402,751,452.09/10,361,048.70 - Step 6: Final answer
x = 9,881,760.59
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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.