Finding the Fourth Proportional to 7,214,929.68, 9,956,608.44 and 3,907,249.68
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Solution
The fourth proportional to 7,214,929.68, 9,956,608.44 and 3,907,249.68 is: 5,392,007.53
Step by Step Solution
- Step 1: Write the proportion equation
7,214,929.68 : 9,956,608.44 = 3,907,249.68 : x - Step 2: Convert to fraction form
7,214,929.68/9,956,608.44 = 3,907,249.68/x - Step 3: Cross multiply
7,214,929.68x = 9,956,608.44 × 3,907,249.68 - Step 4: Simplify right side
7,214,929.68x = 38,902,955,141,075.30 - Step 5: Solve for x
x = 38,902,955,141,075.30/7,214,929.68 - Step 6: Final answer
x = 5,392,007.53
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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.