Finding the Fourth Proportional to 11,297,835, 15,598,519.80 and 8,679,676.14
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Solution
The fourth proportional to 11,297,835, 15,598,519.80 and 8,679,676.14 is: 11,983,720.79
Step by Step Solution
- Step 1: Write the proportion equation
11,297,835 : 15,598,519.80 = 8,679,676.14 : x - Step 2: Convert to fraction form
11,297,835/15,598,519.80 = 8,679,676.14/x - Step 3: Cross multiply
11,297,835x = 15,598,519.80 × 8,679,676.14 - Step 4: Simplify right side
11,297,835x = 135,390,100,127,377.59 - Step 5: Solve for x
x = 135,390,100,127,377.59/11,297,835 - Step 6: Final answer
x = 11,983,720.79
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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.