Finding the Fourth Proportional to 8,863,367.36, 12,232,387.40 and 5,195,365.72
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Solution
The fourth proportional to 8,863,367.36, 12,232,387.40 and 5,195,365.72 is: 7,170,155.95
Step by Step Solution
- Step 1: Write the proportion equation
8,863,367.36 : 12,232,387.40 = 5,195,365.72 : x - Step 2: Convert to fraction form
8,863,367.36/12,232,387.40 = 5,195,365.72/x - Step 3: Cross multiply
8,863,367.36x = 12,232,387.40 × 5,195,365.72 - Step 4: Simplify right side
8,863,367.36x = 63,551,726,202,300.90 - Step 5: Solve for x
x = 63,551,726,202,300.90/8,863,367.36 - Step 6: Final answer
x = 7,170,155.95
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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.