Finding the Fourth Proportional to 7,740,012.96, 11,610,021.50 and 2,275,108.00
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Solution
The fourth proportional to 7,740,012.96, 11,610,021.50 and 2,275,108.00 is: 3,412,662.61
Step by Step Solution
- Step 1: Write the proportion equation
7,740,012.96 : 11,610,021.50 = 2,275,108.00 : x - Step 2: Convert to fraction form
7,740,012.96/11,610,021.50 = 2,275,108.00/x - Step 3: Cross multiply
7,740,012.96x = 11,610,021.50 × 2,275,108.00 - Step 4: Simplify right side
7,740,012.96x = 26,414,052,806,600.57 - Step 5: Solve for x
x = 26,414,052,806,600.57/7,740,012.96 - Step 6: Final answer
x = 3,412,662.61
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1.5x scale
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.