Finding the Fourth Proportional to 7,767,984.30, 11,651,976.45 and 4,940,630.70
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Solution
The fourth proportional to 7,767,984.30, 11,651,976.45 and 4,940,630.70 is: 7,410,946.05
Step by Step Solution
- Step 1: Write the proportion equation
7,767,984.30 : 11,651,976.45 = 4,940,630.70 : x - Step 2: Convert to fraction form
7,767,984.30/11,651,976.45 = 4,940,630.70/x - Step 3: Cross multiply
7,767,984.30x = 11,651,976.45 × 4,940,630.70 - Step 4: Simplify right side
7,767,984.30x = 57,568,112,564,547.02 - Step 5: Solve for x
x = 57,568,112,564,547.02/7,767,984.30 - Step 6: Final answer
x = 7,410,946.05
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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.