Finding the Fourth Proportional to 10,920,660.45, 16,380,990.68 and 3,731,116.65
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Solution
The fourth proportional to 10,920,660.45, 16,380,990.68 and 3,731,116.65 is: 5,596,674.98
Step by Step Solution
- Step 1: Write the proportion equation
10,920,660.45 : 16,380,990.68 = 3,731,116.65 : x - Step 2: Convert to fraction form
10,920,660.45/16,380,990.68 = 3,731,116.65/x - Step 3: Cross multiply
10,920,660.45x = 16,380,990.68 × 3,731,116.65 - Step 4: Simplify right side
10,920,660.45x = 61,119,387,050,987.24 - Step 5: Solve for x
x = 61,119,387,050,987.24/10,920,660.45 - Step 6: Final answer
x = 5,596,674.98
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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.