Finding the Fourth Proportional to 7,660,565.76, 11,487,315.84 and 2,267,287.68
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Solution
The fourth proportional to 7,660,565.76, 11,487,315.84 and 2,267,287.68 is: 3,399,885.92
Step by Step Solution
- Step 1: Write the proportion equation
7,660,565.76 : 11,487,315.84 = 2,267,287.68 : x - Step 2: Convert to fraction form
7,660,565.76/11,487,315.84 = 2,267,287.68/x - Step 3: Cross multiply
7,660,565.76x = 11,487,315.84 × 2,267,287.68 - Step 4: Simplify right side
7,660,565.76x = 26,045,049,680,300.85 - Step 5: Solve for x
x = 26,045,049,680,300.85/7,660,565.76 - Step 6: Final answer
x = 3,399,885.92
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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.