Finding the Fourth Proportional to 7,751,442.84, 10,685,905.20 and 5,452,468.44
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Solution
The fourth proportional to 7,751,442.84, 10,685,905.20 and 5,452,468.44 is: 7,516,608.46
Step by Step Solution
- Step 1: Write the proportion equation
7,751,442.84 : 10,685,905.20 = 5,452,468.44 : x - Step 2: Convert to fraction form
7,751,442.84/10,685,905.20 = 5,452,468.44/x - Step 3: Cross multiply
7,751,442.84x = 10,685,905.20 × 5,452,468.44 - Step 4: Simplify right side
7,751,442.84x = 58,264,560,855,831.89 - Step 5: Solve for x
x = 58,264,560,855,831.89/7,751,442.84 - Step 6: Final answer
x = 7,516,608.46
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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.