Finding the Fourth Proportional to 8,158,108.96, 11,258,463.12 and 4,487,180.32
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Solution
The fourth proportional to 8,158,108.96, 11,258,463.12 and 4,487,180.32 is: 6,192,458.86
Step by Step Solution
- Step 1: Write the proportion equation
8,158,108.96 : 11,258,463.12 = 4,487,180.32 : x - Step 2: Convert to fraction form
8,158,108.96/11,258,463.12 = 4,487,180.32/x - Step 3: Cross multiply
8,158,108.96x = 11,258,463.12 × 4,487,180.32 - Step 4: Simplify right side
8,158,108.96x = 50,518,754,145,509.80 - Step 5: Solve for x
x = 50,518,754,145,509.80/8,158,108.96 - Step 6: Final answer
x = 6,192,458.86
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1.5x scale
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.