Finding the Fourth Proportional to 7,481,384.99, 10,324,315.73 and 4,173,679.24
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Solution
The fourth proportional to 7,481,384.99, 10,324,315.73 and 4,173,679.24 is: 5,759,679.83
Step by Step Solution
- Step 1: Write the proportion equation
7,481,384.99 : 10,324,315.73 = 4,173,679.24 : x - Step 2: Convert to fraction form
7,481,384.99/10,324,315.73 = 4,173,679.24/x - Step 3: Cross multiply
7,481,384.99x = 10,324,315.73 × 4,173,679.24 - Step 4: Simplify right side
7,481,384.99x = 43,090,382,229,506.45 - Step 5: Solve for x
x = 43,090,382,229,506.45/7,481,384.99 - Step 6: Final answer
x = 5,759,679.83
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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.