Finding the Fourth Proportional to 7,803,609.30, 11,703,664.35 and 5,126,721.30
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Solution
The fourth proportional to 7,803,609.30, 11,703,664.35 and 5,126,721.30 is: 7,688,932.52
Step by Step Solution
- Step 1: Write the proportion equation
7,803,609.30 : 11,703,664.35 = 5,126,721.30 : x - Step 2: Convert to fraction form
7,803,609.30/11,703,664.35 = 5,126,721.30/x - Step 3: Cross multiply
7,803,609.30x = 11,703,664.35 × 5,126,721.30 - Step 4: Simplify right side
7,803,609.30x = 60,001,425,311,195.65 - Step 5: Solve for x
x = 60,001,425,311,195.65/7,803,609.30 - Step 6: Final answer
x = 7,688,932.52
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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.