Finding the Fourth Proportional to 10,644,621.26, 14,689,582.94 and 5,749,843.23
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Solution
The fourth proportional to 10,644,621.26, 14,689,582.94 and 5,749,843.23 is: 7,934,786.69
Step by Step Solution
- Step 1: Write the proportion equation
10,644,621.26 : 14,689,582.94 = 5,749,843.23 : x - Step 2: Convert to fraction form
10,644,621.26/14,689,582.94 = 5,749,843.23/x - Step 3: Cross multiply
10,644,621.26x = 14,689,582.94 × 5,749,843.23 - Step 4: Simplify right side
10,644,621.26x = 84,462,799,033,457.11 - Step 5: Solve for x
x = 84,462,799,033,457.11/10,644,621.26 - Step 6: Final answer
x = 7,934,786.69
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1.5x scale
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.