Finding the Fourth Proportional to 7,272,468.84, 10,036,716.66 and 5,433,736.44
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Solution
The fourth proportional to 7,272,468.84, 10,036,716.66 and 5,433,736.44 is: 7,499,086.52
Step by Step Solution
- Step 1: Write the proportion equation
7,272,468.84 : 10,036,716.66 = 5,433,736.44 : x - Step 2: Convert to fraction form
7,272,468.84/10,036,716.66 = 5,433,736.44/x - Step 3: Cross multiply
7,272,468.84x = 10,036,716.66 × 5,433,736.44 - Step 4: Simplify right side
7,272,468.84x = 54,536,873,053,397.09 - Step 5: Solve for x
x = 54,536,873,053,397.09/7,272,468.84 - Step 6: Final answer
x = 7,499,086.52
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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.