Finding the Fourth Proportional to 19,553,912.40, 29,330,722.80 and 5,907,032.40
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Solution
The fourth proportional to 19,553,912.40, 29,330,722.80 and 5,907,032.40 is: 8,860,504.56
Step by Step Solution
- Step 1: Write the proportion equation
19,553,912.40 : 29,330,722.80 = 5,907,032.40 : x - Step 2: Convert to fraction form
19,553,912.40/29,330,722.80 = 5,907,032.40/x - Step 3: Cross multiply
19,553,912.40x = 29,330,722.80 × 5,907,032.40 - Step 4: Simplify right side
19,553,912.40x = 173,257,529,895,018.75 - Step 5: Solve for x
x = 173,257,529,895,018.75/19,553,912.40 - Step 6: Final answer
x = 8,860,504.56
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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.