Finding the Fourth Proportional to 25,230,129.48, 37,853,970.84 and 7,960,994.28
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Solution
The fourth proportional to 25,230,129.48, 37,853,970.84 and 7,960,994.28 is: 11,944,260.75
Step by Step Solution
- Step 1: Write the proportion equation
25,230,129.48 : 37,853,970.84 = 7,960,994.28 : x - Step 2: Convert to fraction form
25,230,129.48/37,853,970.84 = 7,960,994.28/x - Step 3: Cross multiply
25,230,129.48x = 37,853,970.84 × 7,960,994.28 - Step 4: Simplify right side
25,230,129.48x = 301,355,245,332,526.81 - Step 5: Solve for x
x = 301,355,245,332,526.81/25,230,129.48 - Step 6: Final answer
x = 11,944,260.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.