Finding the Fourth Proportional to 33,264,400.80, 49,896,601.20 and 18,881,911.20
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Solution
The fourth proportional to 33,264,400.80, 49,896,601.20 and 18,881,911.20 is: 28,322,866.80
Step by Step Solution
- Step 1: Write the proportion equation
33,264,400.80 : 49,896,601.20 = 18,881,911.20 : x - Step 2: Convert to fraction form
33,264,400.80/49,896,601.20 = 18,881,911.20/x - Step 3: Cross multiply
33,264,400.80x = 49,896,601.20 × 18,881,911.20 - Step 4: Simplify right side
33,264,400.80x = 942,143,193,040,213.50 - Step 5: Solve for x
x = 942,143,193,040,213.50/33,264,400.80 - Step 6: Final answer
x = 28,322,866.80
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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.