Finding the Fourth Proportional to 14,671,777.37, 20,246,658.49 and 8,794,731.55
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Solution
The fourth proportional to 14,671,777.37, 20,246,658.49 and 8,794,731.55 is: 12,136,493.19
Step by Step Solution
- Step 1: Write the proportion equation
14,671,777.37 : 20,246,658.49 = 8,794,731.55 : x - Step 2: Convert to fraction form
14,671,777.37/20,246,658.49 = 8,794,731.55/x - Step 3: Cross multiply
14,671,777.37x = 20,246,658.49 × 8,794,731.55 - Step 4: Simplify right side
14,671,777.37x = 178,063,926,160,104.72 - Step 5: Solve for x
x = 178,063,926,160,104.72/14,671,777.37 - Step 6: Final answer
x = 12,136,493.19
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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.