Finding the Fourth Proportional to 6,841,247.99, 9,439,423.09 and 4,087,521.77
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Solution
The fourth proportional to 6,841,247.99, 9,439,423.09 and 4,087,521.77 is: 5,639,884.33
Step by Step Solution
- Step 1: Write the proportion equation
6,841,247.99 : 9,439,423.09 = 4,087,521.77 : x - Step 2: Convert to fraction form
6,841,247.99/9,439,423.09 = 4,087,521.77/x - Step 3: Cross multiply
6,841,247.99x = 9,439,423.09 × 4,087,521.77 - Step 4: Simplify right side
6,841,247.99x = 38,583,847,319,199.75 - Step 5: Solve for x
x = 38,583,847,319,199.75/6,841,247.99 - Step 6: Final answer
x = 5,639,884.33
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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.