Finding the Fourth Proportional to 10,790,893.86, 14,890,990.38 and 5,896,283.96
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Solution
The fourth proportional to 10,790,893.86, 14,890,990.38 and 5,896,283.96 is: 8,136,629.72
Step by Step Solution
- Step 1: Write the proportion equation
10,790,893.86 : 14,890,990.38 = 5,896,283.96 : x - Step 2: Convert to fraction form
10,790,893.86/14,890,990.38 = 5,896,283.96/x - Step 3: Cross multiply
10,790,893.86x = 14,890,990.38 × 5,896,283.96 - Step 4: Simplify right side
10,790,893.86x = 87,801,507,726,108.31 - Step 5: Solve for x
x = 87,801,507,726,108.31/10,790,893.86 - Step 6: Final answer
x = 8,136,629.72
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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.