Finding the Fourth Proportional to 6,384,646.20, 9,576,969.30 and 6,132,703.80
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Solution
The fourth proportional to 6,384,646.20, 9,576,969.30 and 6,132,703.80 is: 9,199,055.70
Step by Step Solution
- Step 1: Write the proportion equation
6,384,646.20 : 9,576,969.30 = 6,132,703.80 : x - Step 2: Convert to fraction form
6,384,646.20/9,576,969.30 = 6,132,703.80/x - Step 3: Cross multiply
6,384,646.20x = 9,576,969.30 × 6,132,703.80 - Step 4: Simplify right side
6,384,646.20x = 58,732,716,018,593.34 - Step 5: Solve for x
x = 58,732,716,018,593.34/6,384,646.20 - Step 6: Final answer
x = 9,199,055.70
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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.