Finding the Fourth Proportional to 7,281,452.18, 10,048,645.35 and 3,973,927.52
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Solution
The fourth proportional to 7,281,452.18, 10,048,645.35 and 3,973,927.52 is: 5,484,151.69
Step by Step Solution
- Step 1: Write the proportion equation
7,281,452.18 : 10,048,645.35 = 3,973,927.52 : x - Step 2: Convert to fraction form
7,281,452.18/10,048,645.35 = 3,973,927.52/x - Step 3: Cross multiply
7,281,452.18x = 10,048,645.35 × 3,973,927.52 - Step 4: Simplify right side
7,281,452.18x = 39,932,588,244,841.80 - Step 5: Solve for x
x = 39,932,588,244,841.80/7,281,452.18 - Step 6: Final answer
x = 5,484,151.69
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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.