Finding the Fourth Proportional to 29,788,915.80, 44,683,373.70 and 18,451,507.80
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Solution
The fourth proportional to 29,788,915.80, 44,683,373.70 and 18,451,507.80 is: 27,677,261.70
Step by Step Solution
- Step 1: Write the proportion equation
29,788,915.80 : 44,683,373.70 = 18,451,507.80 : x - Step 2: Convert to fraction form
29,788,915.80/44,683,373.70 = 18,451,507.80/x - Step 3: Cross multiply
29,788,915.80x = 44,683,373.70 × 18,451,507.80 - Step 4: Simplify right side
29,788,915.80x = 824,475,618,355,865 - Step 5: Solve for x
x = 824,475,618,355,865/29,788,915.80 - Step 6: Final answer
x = 27,677,261.70
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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.