Finding the Fourth Proportional to 7,248,306.42, 10,872,462.06 and 2,130,736.14
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Solution
The fourth proportional to 7,248,306.42, 10,872,462.06 and 2,130,736.14 is: 3,196,104.92
Step by Step Solution
- Step 1: Write the proportion equation
7,248,306.42 : 10,872,462.06 = 2,130,736.14 : x - Step 2: Convert to fraction form
7,248,306.42/10,872,462.06 = 2,130,736.14/x - Step 3: Cross multiply
7,248,306.42x = 10,872,462.06 × 2,130,736.14 - Step 4: Simplify right side
7,248,306.42x = 23,166,347,842,020.85 - Step 5: Solve for x
x = 23,166,347,842,020.85/7,248,306.42 - Step 6: Final answer
x = 3,196,104.92
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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.