Finding the Fourth Proportional to 7,847,876.91, 11,772,036.81 and 2,168,101.23
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Solution
The fourth proportional to 7,847,876.91, 11,772,036.81 and 2,168,101.23 is: 3,252,213.02
Step by Step Solution
- Step 1: Write the proportion equation
7,847,876.91 : 11,772,036.81 = 2,168,101.23 : x - Step 2: Convert to fraction form
7,847,876.91/11,772,036.81 = 2,168,101.23/x - Step 3: Cross multiply
7,847,876.91x = 11,772,036.81 × 2,168,101.23 - Step 4: Simplify right side
7,847,876.91x = 25,522,967,487,366.28 - Step 5: Solve for x
x = 25,522,967,487,366.28/7,847,876.91 - Step 6: Final answer
x = 3,252,213.02
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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.