Finding the Fourth Proportional to 7,519,231.42, 10,375,782.08 and 4,255,477.90
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Solution
The fourth proportional to 7,519,231.42, 10,375,782.08 and 4,255,477.90 is: 5,872,130.92
Step by Step Solution
- Step 1: Write the proportion equation
7,519,231.42 : 10,375,782.08 = 4,255,477.90 : x - Step 2: Convert to fraction form
7,519,231.42/10,375,782.08 = 4,255,477.90/x - Step 3: Cross multiply
7,519,231.42x = 10,375,782.08 × 4,255,477.90 - Step 4: Simplify right side
7,519,231.42x = 44,153,911,289,439.19 - Step 5: Solve for x
x = 44,153,911,289,439.19/7,519,231.42 - Step 6: Final answer
x = 5,872,130.92
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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.