Finding the Fourth Proportional to 7,947,108.24, 10,967,243.76 and 5,628,149.52
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Solution
The fourth proportional to 7,947,108.24, 10,967,243.76 and 5,628,149.52 is: 7,767,012.33
Step by Step Solution
- Step 1: Write the proportion equation
7,947,108.24 : 10,967,243.76 = 5,628,149.52 : x - Step 2: Convert to fraction form
7,947,108.24/10,967,243.76 = 5,628,149.52/x - Step 3: Cross multiply
7,947,108.24x = 10,967,243.76 × 5,628,149.52 - Step 4: Simplify right side
7,947,108.24x = 61,725,287,703,566.99 - Step 5: Solve for x
x = 61,725,287,703,566.99/7,947,108.24 - Step 6: Final answer
x = 7,767,012.33
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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.