Finding the Fourth Proportional to 13,310,624.44, 18,368,663.09 and 7,199,052.94
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Solution
The fourth proportional to 13,310,624.44, 18,368,663.09 and 7,199,052.94 is: 9,934,693.79
Step by Step Solution
- Step 1: Write the proportion equation
13,310,624.44 : 18,368,663.09 = 7,199,052.94 : x - Step 2: Convert to fraction form
13,310,624.44/18,368,663.09 = 7,199,052.94/x - Step 3: Cross multiply
13,310,624.44x = 18,368,663.09 × 7,199,052.94 - Step 4: Simplify right side
13,310,624.44x = 132,236,977,994,009.97 - Step 5: Solve for x
x = 132,236,977,994,009.97/13,310,624.44 - Step 6: Final answer
x = 9,934,693.79
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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.