Finding the Fourth Proportional to 30,102,009.68, 41,541,546.16 and 16,351,760.72
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Solution
The fourth proportional to 30,102,009.68, 41,541,546.16 and 16,351,760.72 is: 22,565,849.59
Step by Step Solution
- Step 1: Write the proportion equation
30,102,009.68 : 41,541,546.16 = 16,351,760.72 : x - Step 2: Convert to fraction form
30,102,009.68/41,541,546.16 = 16,351,760.72/x - Step 3: Cross multiply
30,102,009.68x = 41,541,546.16 × 16,351,760.72 - Step 4: Simplify right side
30,102,009.68x = 679,277,422,747,154.75 - Step 5: Solve for x
x = 679,277,422,747,154.75/30,102,009.68 - Step 6: Final answer
x = 22,565,849.59
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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.