Finding the Fourth Proportional to 15,635,582.78, 23,420,379.81 and 12,544,840.08
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Solution
The fourth proportional to 15,635,582.78, 23,420,379.81 and 12,544,840.08 is: 18,790,787.88
Step by Step Solution
- Step 1: Write the proportion equation
15,635,582.78 : 23,420,379.81 = 12,544,840.08 : x - Step 2: Convert to fraction form
15,635,582.78/23,420,379.81 = 12,544,840.08/x - Step 3: Cross multiply
15,635,582.78x = 23,420,379.81 × 12,544,840.08 - Step 4: Simplify right side
15,635,582.78x = 293,804,919,329,310.75 - Step 5: Solve for x
x = 293,804,919,329,310.75/15,635,582.78 - Step 6: Final answer
x = 18,790,787.88
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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.