Finding the Fourth Proportional to 9,040,976.13, 12,476,772.05 and 4,911,005.99
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Solution
The fourth proportional to 9,040,976.13, 12,476,772.05 and 4,911,005.99 is: 6,777,310.47
Step by Step Solution
- Step 1: Write the proportion equation
9,040,976.13 : 12,476,772.05 = 4,911,005.99 : x - Step 2: Convert to fraction form
9,040,976.13/12,476,772.05 = 4,911,005.99/x - Step 3: Cross multiply
9,040,976.13x = 12,476,772.05 × 4,911,005.99 - Step 4: Simplify right side
9,040,976.13x = 61,273,502,186,475.70 - Step 5: Solve for x
x = 61,273,502,186,475.70/9,040,976.13 - Step 6: Final answer
x = 6,777,310.47
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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.