Finding the Fourth Proportional to 8,271,010.65, 12,406,515.98 and 6,145,246.65
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Solution
The fourth proportional to 8,271,010.65, 12,406,515.98 and 6,145,246.65 is: 9,217,869.98
Step by Step Solution
- Step 1: Write the proportion equation
8,271,010.65 : 12,406,515.98 = 6,145,246.65 : x - Step 2: Convert to fraction form
8,271,010.65/12,406,515.98 = 6,145,246.65/x - Step 3: Cross multiply
8,271,010.65x = 12,406,515.98 × 6,145,246.65 - Step 4: Simplify right side
8,271,010.65x = 76,241,100,733,540.23 - Step 5: Solve for x
x = 76,241,100,733,540.23/8,271,010.65 - Step 6: Final answer
x = 9,217,869.98
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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.