Finding the Fourth Proportional to 19,923,936.06, 27,485,637.72 and 11,658,928.26
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Solution
The fourth proportional to 19,923,936.06, 27,485,637.72 and 11,658,928.26 is: 16,083,823.87
Step by Step Solution
- Step 1: Write the proportion equation
19,923,936.06 : 27,485,637.72 = 11,658,928.26 : x - Step 2: Convert to fraction form
19,923,936.06/27,485,637.72 = 11,658,928.26/x - Step 3: Cross multiply
19,923,936.06x = 27,485,637.72 × 11,658,928.26 - Step 4: Simplify right side
19,923,936.06x = 320,453,078,357,829.94 - Step 5: Solve for x
x = 320,453,078,357,829.94/19,923,936.06 - Step 6: Final answer
x = 16,083,823.87
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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.