Finding the Fourth Proportional to 8,245,908.36, 12,363,879.18 and 3,696,108.78
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Solution
The fourth proportional to 8,245,908.36, 12,363,879.18 and 3,696,108.78 is: 5,541,929.45
Step by Step Solution
- Step 1: Write the proportion equation
8,245,908.36 : 12,363,879.18 = 3,696,108.78 : x - Step 2: Convert to fraction form
8,245,908.36/12,363,879.18 = 3,696,108.78/x - Step 3: Cross multiply
8,245,908.36x = 12,363,879.18 × 3,696,108.78 - Step 4: Simplify right side
8,245,908.36x = 45,698,242,392,057.20 - Step 5: Solve for x
x = 45,698,242,392,057.20/8,245,908.36 - Step 6: Final answer
x = 5,541,929.45
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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.