Finding the Fourth Proportional to 13,296,228.72, 18,350,362.67 and 7,416,789.05
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Solution
The fourth proportional to 13,296,228.72, 18,350,362.67 and 7,416,789.05 is: 10,236,042.99
Step by Step Solution
- Step 1: Write the proportion equation
13,296,228.72 : 18,350,362.67 = 7,416,789.05 : x - Step 2: Convert to fraction form
13,296,228.72/18,350,362.67 = 7,416,789.05/x - Step 3: Cross multiply
13,296,228.72x = 18,350,362.67 × 7,416,789.05 - Step 4: Simplify right side
13,296,228.72x = 136,100,768,785,549 - Step 5: Solve for x
x = 136,100,768,785,549/13,296,228.72 - Step 6: Final answer
x = 10,236,042.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.