Finding the Fourth Proportional to 7,925,737.48, 10,940,865.70 and 5,350,905.80
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Solution
The fourth proportional to 7,925,737.48, 10,940,865.70 and 5,350,905.80 is: 7,386,510.33
Step by Step Solution
- Step 1: Write the proportion equation
7,925,737.48 : 10,940,865.70 = 5,350,905.80 : x - Step 2: Convert to fraction form
7,925,737.48/10,940,865.70 = 5,350,905.80/x - Step 3: Cross multiply
7,925,737.48x = 10,940,865.70 × 5,350,905.80 - Step 4: Simplify right side
7,925,737.48x = 58,543,541,731,151.05 - Step 5: Solve for x
x = 58,543,541,731,151.05/7,925,737.48 - Step 6: Final answer
x = 7,386,510.33
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1.5x scale
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.