Finding the Fourth Proportional to 13,238,850.52, 19,859,415.78 and 3,654,230.68
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Solution
The fourth proportional to 13,238,850.52, 19,859,415.78 and 3,654,230.68 is: 5,481,660.69
Step by Step Solution
- Step 1: Write the proportion equation
13,238,850.52 : 19,859,415.78 = 3,654,230.68 : x - Step 2: Convert to fraction form
13,238,850.52/19,859,415.78 = 3,654,230.68/x - Step 3: Cross multiply
13,238,850.52x = 19,859,415.78 × 3,654,230.68 - Step 4: Simplify right side
13,238,850.52x = 72,570,886,430,152.14 - Step 5: Solve for x
x = 72,570,886,430,152.14/13,238,850.52 - Step 6: Final answer
x = 5,481,660.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.