Finding the Fourth Proportional to 8,660,708.74, 11,950,446.69 and 4,988,908.14
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Solution
The fourth proportional to 8,660,708.74, 11,950,446.69 and 4,988,908.14 is: 6,883,926.31
Step by Step Solution
- Step 1: Write the proportion equation
8,660,708.74 : 11,950,446.69 = 4,988,908.14 : x - Step 2: Convert to fraction form
8,660,708.74/11,950,446.69 = 4,988,908.14/x - Step 3: Cross multiply
8,660,708.74x = 11,950,446.69 × 4,988,908.14 - Step 4: Simplify right side
8,660,708.74x = 59,619,680,768,377.05 - Step 5: Solve for x
x = 59,619,680,768,377.05/8,660,708.74 - Step 6: Final answer
x = 6,883,926.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.