Finding the Fourth Proportional to 8,553,885.98, 12,828,143.06 and 2,795,306.53
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Solution
The fourth proportional to 8,553,885.98, 12,828,143.06 and 2,795,306.53 is: 4,192,082.08
Step by Step Solution
- Step 1: Write the proportion equation
8,553,885.98 : 12,828,143.06 = 2,795,306.53 : x - Step 2: Convert to fraction form
8,553,885.98/12,828,143.06 = 2,795,306.53/x - Step 3: Cross multiply
8,553,885.98x = 12,828,143.06 × 2,795,306.53 - Step 4: Simplify right side
8,553,885.98x = 35,858,592,095,821.52 - Step 5: Solve for x
x = 35,858,592,095,821.52/8,553,885.98 - Step 6: Final answer
x = 4,192,082.08
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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.