Finding the Fourth Proportional to 29,612,739.13, 40,864,812.42 and 16,382,404.69
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Solution
The fourth proportional to 29,612,739.13, 40,864,812.42 and 16,382,404.69 is: 22,607,293.83
Step by Step Solution
- Step 1: Write the proportion equation
29,612,739.13 : 40,864,812.42 = 16,382,404.69 : x - Step 2: Convert to fraction form
29,612,739.13/40,864,812.42 = 16,382,404.69/x - Step 3: Cross multiply
29,612,739.13x = 40,864,812.42 × 16,382,404.69 - Step 4: Simplify right side
29,612,739.13x = 669,463,894,645,378.25 - Step 5: Solve for x
x = 669,463,894,645,378.25/29,612,739.13 - Step 6: Final answer
x = 22,607,293.83
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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.