Finding the Fourth Proportional to 32,603,915.40, 48,905,873.10 and 19,849,331.40
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Solution
The fourth proportional to 32,603,915.40, 48,905,873.10 and 19,849,331.40 is: 29,773,997.10
Step by Step Solution
- Step 1: Write the proportion equation
32,603,915.40 : 48,905,873.10 = 19,849,331.40 : x - Step 2: Convert to fraction form
32,603,915.40/48,905,873.10 = 19,849,331.40/x - Step 3: Cross multiply
32,603,915.40x = 48,905,873.10 × 19,849,331.40 - Step 4: Simplify right side
32,603,915.40x = 970,748,882,568,245.25 - Step 5: Solve for x
x = 970,748,882,568,245.25/32,603,915.40 - Step 6: Final answer
x = 29,773,997.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.