Finding the Fourth Proportional to 18,018,738.68, 24,865,851.53 and 9,758,801.35
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Solution
The fourth proportional to 18,018,738.68, 24,865,851.53 and 9,758,801.35 is: 13,467,141.60
Step by Step Solution
- Step 1: Write the proportion equation
18,018,738.68 : 24,865,851.53 = 9,758,801.35 : x - Step 2: Convert to fraction form
18,018,738.68/24,865,851.53 = 9,758,801.35/x - Step 3: Cross multiply
18,018,738.68x = 24,865,851.53 × 9,758,801.35 - Step 4: Simplify right side
18,018,738.68x = 242,660,905,368,904.91 - Step 5: Solve for x
x = 242,660,905,368,904.91/18,018,738.68 - Step 6: Final answer
x = 13,467,141.60
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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.