Finding the Fourth Proportional to 20,044,088.64, 27,660,915.84 and 10,876,731.20
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Solution
The fourth proportional to 20,044,088.64, 27,660,915.84 and 10,876,731.20 is: 15,009,928.95
Step by Step Solution
- Step 1: Write the proportion equation
20,044,088.64 : 27,660,915.84 = 10,876,731.20 : x - Step 2: Convert to fraction form
20,044,088.64/27,660,915.84 = 10,876,731.20/x - Step 3: Cross multiply
20,044,088.64x = 27,660,915.84 × 10,876,731.20 - Step 4: Simplify right side
20,044,088.64x = 300,860,346,337,502.19 - Step 5: Solve for x
x = 300,860,346,337,502.19/20,044,088.64 - Step 6: Final answer
x = 15,009,928.95
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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.