Finding the Fourth Proportional to 10,356,198.77, 15,511,314.92 and 6,701,176.44
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Solution
The fourth proportional to 10,356,198.77, 15,511,314.92 and 6,701,176.44 is: 10,036,892.91
Step by Step Solution
- Step 1: Write the proportion equation
10,356,198.77 : 15,511,314.92 = 6,701,176.44 : x - Step 2: Convert to fraction form
10,356,198.77/15,511,314.92 = 6,701,176.44/x - Step 3: Cross multiply
10,356,198.77x = 15,511,314.92 × 6,701,176.44 - Step 4: Simplify right side
10,356,198.77x = 103,944,058,061,818.61 - Step 5: Solve for x
x = 103,944,058,061,818.61/10,356,198.77 - Step 6: Final answer
x = 10,036,892.91
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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.