Finding the Fourth Proportional to 7,949,166.40, 11,925,736.80 and 2,558,324.80
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Solution
The fourth proportional to 7,949,166.40, 11,925,736.80 and 2,558,324.80 is: 3,838,126.75
Step by Step Solution
- Step 1: Write the proportion equation
7,949,166.40 : 11,925,736.80 = 2,558,324.80 : x - Step 2: Convert to fraction form
7,949,166.40/11,925,736.80 = 2,558,324.80/x - Step 3: Cross multiply
7,949,166.40x = 11,925,736.80 × 2,558,324.80 - Step 4: Simplify right side
7,949,166.40x = 30,509,908,213,712.64 - Step 5: Solve for x
x = 30,509,908,213,712.64/7,949,166.40 - Step 6: Final answer
x = 3,838,126.75
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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.