Finding the Fourth Proportional to 7,181,115.52, 9,910,810.56 and 5,246,407.84
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Solution
The fourth proportional to 7,181,115.52, 9,910,810.56 and 5,246,407.84 is: 7,240,679.26
Step by Step Solution
- Step 1: Write the proportion equation
7,181,115.52 : 9,910,810.56 = 5,246,407.84 : x - Step 2: Convert to fraction form
7,181,115.52/9,910,810.56 = 5,246,407.84/x - Step 3: Cross multiply
7,181,115.52x = 9,910,810.56 × 5,246,407.84 - Step 4: Simplify right side
7,181,115.52x = 51,996,154,222,738.79 - Step 5: Solve for x
x = 51,996,154,222,738.79/7,181,115.52 - Step 6: Final answer
x = 7,240,679.26
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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.