Finding the Fourth Proportional to 7,884,044.70, 11,826,067.05 and 6,289,721.70
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Solution
The fourth proportional to 7,884,044.70, 11,826,067.05 and 6,289,721.70 is: 9,434,582.55
Step by Step Solution
- Step 1: Write the proportion equation
7,884,044.70 : 11,826,067.05 = 6,289,721.70 : x - Step 2: Convert to fraction form
7,884,044.70/11,826,067.05 = 6,289,721.70/x - Step 3: Cross multiply
7,884,044.70x = 11,826,067.05 × 6,289,721.70 - Step 4: Simplify right side
7,884,044.70x = 74,382,670,550,039.98 - Step 5: Solve for x
x = 74,382,670,550,039.98/7,884,044.70 - Step 6: Final answer
x = 9,434,582.55
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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.