Finding the Fourth Proportional to 7,248,000.96, 10,002,247.68 and 3,984,871.20
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Solution
The fourth proportional to 7,248,000.96, 10,002,247.68 and 3,984,871.20 is: 5,499,125.75
Step by Step Solution
- Step 1: Write the proportion equation
7,248,000.96 : 10,002,247.68 = 3,984,871.20 : x - Step 2: Convert to fraction form
7,248,000.96/10,002,247.68 = 3,984,871.20/x - Step 3: Cross multiply
7,248,000.96x = 10,002,247.68 × 3,984,871.20 - Step 4: Simplify right side
7,248,000.96x = 39,857,668,715,298.82 - Step 5: Solve for x
x = 39,857,668,715,298.82/7,248,000.96 - Step 6: Final answer
x = 5,499,125.75
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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.