Finding the Fourth Proportional to 8,244,125.12, 12,369,747.36 and 4,460,271.68
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Solution
The fourth proportional to 8,244,125.12, 12,369,747.36 and 4,460,271.68 is: 6,692,333.39
Step by Step Solution
- Step 1: Write the proportion equation
8,244,125.12 : 12,369,747.36 = 4,460,271.68 : x - Step 2: Convert to fraction form
8,244,125.12/12,369,747.36 = 4,460,271.68/x - Step 3: Cross multiply
8,244,125.12x = 12,369,747.36 × 4,460,271.68 - Step 4: Simplify right side
8,244,125.12x = 55,172,433,838,562.76 - Step 5: Solve for x
x = 55,172,433,838,562.76/8,244,125.12 - Step 6: Final answer
x = 6,692,333.39
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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.