Finding the Fourth Proportional to 7,775,525.07, 10,730,229.21 and 4,337,766.09
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Solution
The fourth proportional to 7,775,525.07, 10,730,229.21 and 4,337,766.09 is: 5,986,119.78
Step by Step Solution
- Step 1: Write the proportion equation
7,775,525.07 : 10,730,229.21 = 4,337,766.09 : x - Step 2: Convert to fraction form
7,775,525.07/10,730,229.21 = 4,337,766.09/x - Step 3: Cross multiply
7,775,525.07x = 10,730,229.21 × 4,337,766.09 - Step 4: Simplify right side
7,775,525.07x = 46,545,224,405,065.49 - Step 5: Solve for x
x = 46,545,224,405,065.49/7,775,525.07 - Step 6: Final answer
x = 5,986,119.78
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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.