Finding the Fourth Proportional to 29,204,946.30, 40,315,235.38 and 18,197,134.68
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Solution
The fourth proportional to 29,204,946.30, 40,315,235.38 and 18,197,134.68 is: 25,119,778.01
Step by Step Solution
- Step 1: Write the proportion equation
29,204,946.30 : 40,315,235.38 = 18,197,134.68 : x - Step 2: Convert to fraction form
29,204,946.30/40,315,235.38 = 18,197,134.68/x - Step 3: Cross multiply
29,204,946.30x = 40,315,235.38 × 18,197,134.68 - Step 4: Simplify right side
29,204,946.30x = 733,621,767,865,761 - Step 5: Solve for x
x = 733,621,767,865,761/29,204,946.30 - Step 6: Final answer
x = 25,119,778.01
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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.