Finding the Fourth Proportional to 16,040,865.34, 22,136,400.16 and 8,698,696.54
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Solution
The fourth proportional to 16,040,865.34, 22,136,400.16 and 8,698,696.54 is: 12,004,204.47
Step by Step Solution
- Step 1: Write the proportion equation
16,040,865.34 : 22,136,400.16 = 8,698,696.54 : x - Step 2: Convert to fraction form
16,040,865.34/22,136,400.16 = 8,698,696.54/x - Step 3: Cross multiply
16,040,865.34x = 22,136,400.16 × 8,698,696.54 - Step 4: Simplify right side
16,040,865.34x = 192,557,827,479,847.44 - Step 5: Solve for x
x = 192,557,827,479,847.44/16,040,865.34 - Step 6: Final answer
x = 12,004,204.47
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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.