Finding the Fourth Proportional to 7,894,843.68, 10,894,276.16 and 4,457,424
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Solution
The fourth proportional to 7,894,843.68, 10,894,276.16 and 4,457,424 is: 6,150,901.78
Step by Step Solution
- Step 1: Write the proportion equation
7,894,843.68 : 10,894,276.16 = 4,457,424 : x - Step 2: Convert to fraction form
7,894,843.68/10,894,276.16 = 4,457,424/x - Step 3: Cross multiply
7,894,843.68x = 10,894,276.16 × 4,457,424 - Step 4: Simplify right side
7,894,843.68x = 48,560,408,018,211.84 - Step 5: Solve for x
x = 48,560,408,018,211.84/7,894,843.68 - Step 6: Final answer
x = 6,150,901.78
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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.