Finding the Fourth Proportional to 7,391,958.04, 11,090,776.74 and 5,205,625.99
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Solution
The fourth proportional to 7,391,958.04, 11,090,776.74 and 5,205,625.99 is: 7,810,438.77
Step by Step Solution
- Step 1: Write the proportion equation
7,391,958.04 : 11,090,776.74 = 5,205,625.99 : x - Step 2: Convert to fraction form
7,391,958.04/11,090,776.74 = 5,205,625.99/x - Step 3: Cross multiply
7,391,958.04x = 11,090,776.74 × 5,205,625.99 - Step 4: Simplify right side
7,391,958.04x = 57,734,435,643,703.30 - Step 5: Solve for x
x = 57,734,435,643,703.30/7,391,958.04 - Step 6: Final answer
x = 7,810,438.77
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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.