Finding the Fourth Proportional to 8,992,310.53, 12,409,379.75 and 4,862,331.80
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Solution
The fourth proportional to 8,992,310.53, 12,409,379.75 and 4,862,331.80 is: 6,710,013.14
Step by Step Solution
- Step 1: Write the proportion equation
8,992,310.53 : 12,409,379.75 = 4,862,331.80 : x - Step 2: Convert to fraction form
8,992,310.53/12,409,379.75 = 4,862,331.80/x - Step 3: Cross multiply
8,992,310.53x = 12,409,379.75 × 4,862,331.80 - Step 4: Simplify right side
8,992,310.53x = 60,338,521,752,389.38 - Step 5: Solve for x
x = 60,338,521,752,389.38/8,992,310.53 - Step 6: Final answer
x = 6,710,013.14
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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.