Finding the Fourth Proportional to 7,951,243.40, 10,972,416.54 and 4,858,937.48
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Solution
The fourth proportional to 7,951,243.40, 10,972,416.54 and 4,858,937.48 is: 6,705,150.79
Step by Step Solution
- Step 1: Write the proportion equation
7,951,243.40 : 10,972,416.54 = 4,858,937.48 : x - Step 2: Convert to fraction form
7,951,243.40/10,972,416.54 = 4,858,937.48/x - Step 3: Cross multiply
7,951,243.40x = 10,972,416.54 × 4,858,937.48 - Step 4: Simplify right side
7,951,243.40x = 53,314,285,972,377.92 - Step 5: Solve for x
x = 53,314,285,972,377.92/7,951,243.40 - Step 6: Final answer
x = 6,705,150.79
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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.