Finding the Fourth Proportional to 7,388,166.13, 10,195,240.87 and 4,125,187.44
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Solution
The fourth proportional to 7,388,166.13, 10,195,240.87 and 4,125,187.44 is: 5,692,519.48
Step by Step Solution
- Step 1: Write the proportion equation
7,388,166.13 : 10,195,240.87 = 4,125,187.44 : x - Step 2: Convert to fraction form
7,388,166.13/10,195,240.87 = 4,125,187.44/x - Step 3: Cross multiply
7,388,166.13x = 10,195,240.87 × 4,125,187.44 - Step 4: Simplify right side
7,388,166.13x = 42,057,279,589,855.16 - Step 5: Solve for x
x = 42,057,279,589,855.16/7,388,166.13 - Step 6: Final answer
x = 5,692,519.48
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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.