Finding the Fourth Proportional to 10,702,420.70, 16,079,845.45 and 8,048,212.70
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Solution
The fourth proportional to 10,702,420.70, 16,079,845.45 and 8,048,212.70 is: 12,092,032.26
Step by Step Solution
- Step 1: Write the proportion equation
10,702,420.70 : 16,079,845.45 = 8,048,212.70 : x - Step 2: Convert to fraction form
10,702,420.70/16,079,845.45 = 8,048,212.70/x - Step 3: Cross multiply
10,702,420.70x = 16,079,845.45 × 8,048,212.70 - Step 4: Simplify right side
10,702,420.70x = 129,414,016,364,727.22 - Step 5: Solve for x
x = 129,414,016,364,727.22/10,702,420.70 - Step 6: Final answer
x = 12,092,032.26
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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.