Finding the Fourth Proportional to 8,158,418.13, 11,258,639.49 and 4,487,710.85
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Solution
The fourth proportional to 8,158,418.13, 11,258,639.49 and 4,487,710.85 is: 6,193,053.33
Step by Step Solution
- Step 1: Write the proportion equation
8,158,418.13 : 11,258,639.49 = 4,487,710.85 : x - Step 2: Convert to fraction form
8,158,418.13/11,258,639.49 = 4,487,710.85/x - Step 3: Cross multiply
8,158,418.13x = 11,258,639.49 × 4,487,710.85 - Step 4: Simplify right side
8,158,418.13x = 50,525,518,595,511.46 - Step 5: Solve for x
x = 50,525,518,595,511.46/8,158,418.13 - Step 6: Final answer
x = 6,193,053.33
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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.