Finding the Fourth Proportional to 19,241,509.36, 28,863,611.32 and 7,726,975.92
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Solution
The fourth proportional to 19,241,509.36, 28,863,611.32 and 7,726,975.92 is: 11,591,004.92
Step by Step Solution
- Step 1: Write the proportion equation
19,241,509.36 : 28,863,611.32 = 7,726,975.92 : x - Step 2: Convert to fraction form
19,241,509.36/28,863,611.32 = 7,726,975.92/x - Step 3: Cross multiply
19,241,509.36x = 28,863,611.32 × 7,726,975.92 - Step 4: Simplify right side
19,241,509.36x = 223,028,429,633,879.41 - Step 5: Solve for x
x = 223,028,429,633,879.41/19,241,509.36 - Step 6: Final answer
x = 11,591,004.92
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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.