Finding the Fourth Proportional to 7,125,456, 9,833,751.36 and 3,906,814.08
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Solution
The fourth proportional to 7,125,456, 9,833,751.36 and 3,906,814.08 is: 5,391,744.51
Step by Step Solution
- Step 1: Write the proportion equation
7,125,456 : 9,833,751.36 = 3,906,814.08 : x - Step 2: Convert to fraction form
7,125,456/9,833,751.36 = 3,906,814.08/x - Step 3: Cross multiply
7,125,456x = 9,833,751.36 × 3,906,814.08 - Step 4: Simplify right side
7,125,456x = 38,418,638,272,467.15 - Step 5: Solve for x
x = 38,418,638,272,467.15/7,125,456 - Step 6: Final answer
x = 5,391,744.51
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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.