Finding the Fourth Proportional to 7,830,580.92, 11,744,471.52 and 4,982,232.12
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Solution
The fourth proportional to 7,830,580.92, 11,744,471.52 and 4,982,232.12 is: 7,472,457.51
Step by Step Solution
- Step 1: Write the proportion equation
7,830,580.92 : 11,744,471.52 = 4,982,232.12 : x - Step 2: Convert to fraction form
7,830,580.92/11,744,471.52 = 4,982,232.12/x - Step 3: Cross multiply
7,830,580.92x = 11,744,471.52 × 4,982,232.12 - Step 4: Simplify right side
7,830,580.92x = 58,513,683,239,369.22 - Step 5: Solve for x
x = 58,513,683,239,369.22/7,830,580.92 - Step 6: Final answer
x = 7,472,457.51
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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.