Finding the Fourth Proportional to 6,720,496.40, 10,080,744.60 and 6,135,911.30
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Solution
The fourth proportional to 6,720,496.40, 10,080,744.60 and 6,135,911.30 is: 9,203,866.95
Step by Step Solution
- Step 1: Write the proportion equation
6,720,496.40 : 10,080,744.60 = 6,135,911.30 : x - Step 2: Convert to fraction form
6,720,496.40/10,080,744.60 = 6,135,911.30/x - Step 3: Cross multiply
6,720,496.40x = 10,080,744.60 × 6,135,911.30 - Step 4: Simplify right side
6,720,496.40x = 61,854,554,703,553.98 - Step 5: Solve for x
x = 61,854,554,703,553.98/6,720,496.40 - Step 6: Final answer
x = 9,203,866.95
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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.