Finding the Fourth Proportional to 7,767,472.26, 11,643,124.86 and 4,350,749.70
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Solution
The fourth proportional to 7,767,472.26, 11,643,124.86 and 4,350,749.70 is: 6,521,596.77
Step by Step Solution
- Step 1: Write the proportion equation
7,767,472.26 : 11,643,124.86 = 4,350,749.70 : x - Step 2: Convert to fraction form
7,767,472.26/11,643,124.86 = 4,350,749.70/x - Step 3: Cross multiply
7,767,472.26x = 11,643,124.86 × 4,350,749.70 - Step 4: Simplify right side
7,767,472.26x = 50,656,321,991,707.54 - Step 5: Solve for x
x = 50,656,321,991,707.54/7,767,472.26 - Step 6: Final answer
x = 6,521,596.77
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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.