Finding the Fourth Proportional to 38,746,658.77, 53,470,392.03 and 21,343,003.99
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Solution
The fourth proportional to 38,746,658.77, 53,470,392.03 and 21,343,003.99 is: 29,453,347.12
Step by Step Solution
- Step 1: Write the proportion equation
38,746,658.77 : 53,470,392.03 = 21,343,003.99 : x - Step 2: Convert to fraction form
38,746,658.77/53,470,392.03 = 21,343,003.99/x - Step 3: Cross multiply
38,746,658.77x = 53,470,392.03 × 21,343,003.99 - Step 4: Simplify right side
38,746,658.77x = 1,141,218,790,508,868.25 - Step 5: Solve for x
x = 1,141,218,790,508,868.25/38,746,658.77 - Step 6: Final answer
x = 29,453,347.12
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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.