Finding the Fourth Proportional to 7,412,788.48, 10,224,374.56 and 6,802,910.68
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Solution
The fourth proportional to 7,412,788.48, 10,224,374.56 and 6,802,910.68 is: 9,383,177.07
Step by Step Solution
- Step 1: Write the proportion equation
7,412,788.48 : 10,224,374.56 = 6,802,910.68 : x - Step 2: Convert to fraction form
7,412,788.48/10,224,374.56 = 6,802,910.68/x - Step 3: Cross multiply
7,412,788.48x = 10,224,374.56 × 6,802,910.68 - Step 4: Simplify right side
7,412,788.48x = 69,555,506,890,544.30 - Step 5: Solve for x
x = 69,555,506,890,544.30/7,412,788.48 - Step 6: Final answer
x = 9,383,177.07
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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.