Finding the Fourth Proportional to 7,772,145.81, 11,633,958.19 and 5,725,114.11
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Solution
The fourth proportional to 7,772,145.81, 11,633,958.19 and 5,725,114.11 is: 8,569,800.39
Step by Step Solution
- Step 1: Write the proportion equation
7,772,145.81 : 11,633,958.19 = 5,725,114.11 : x - Step 2: Convert to fraction form
7,772,145.81/11,633,958.19 = 5,725,114.11/x - Step 3: Cross multiply
7,772,145.81x = 11,633,958.19 × 5,725,114.11 - Step 4: Simplify right side
7,772,145.81x = 66,605,738,188,719.06 - Step 5: Solve for x
x = 66,605,738,188,719.06/7,772,145.81 - Step 6: Final answer
x = 8,569,800.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.