Finding the Fourth Proportional to 7,136,527.28, 9,848,416.84 and 3,873,341.64
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Solution
The fourth proportional to 7,136,527.28, 9,848,416.84 and 3,873,341.64 is: 5,345,216.45
Step by Step Solution
- Step 1: Write the proportion equation
7,136,527.28 : 9,848,416.84 = 3,873,341.64 : x - Step 2: Convert to fraction form
7,136,527.28/9,848,416.84 = 3,873,341.64/x - Step 3: Cross multiply
7,136,527.28x = 9,848,416.84 × 3,873,341.64 - Step 4: Simplify right side
7,136,527.28x = 38,146,283,034,449.22 - Step 5: Solve for x
x = 38,146,283,034,449.22/7,136,527.28 - Step 6: Final answer
x = 5,345,216.45
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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.