Finding the Fourth Proportional to 13,104,081.70, 19,656,122.55 and 11,907,355.30
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Solution
The fourth proportional to 13,104,081.70, 19,656,122.55 and 11,907,355.30 is: 17,861,032.95
Step by Step Solution
- Step 1: Write the proportion equation
13,104,081.70 : 19,656,122.55 = 11,907,355.30 : x - Step 2: Convert to fraction form
13,104,081.70/19,656,122.55 = 11,907,355.30/x - Step 3: Cross multiply
13,104,081.70x = 19,656,122.55 × 11,907,355.30 - Step 4: Simplify right side
13,104,081.70x = 234,052,435,023,192.03 - Step 5: Solve for x
x = 234,052,435,023,192.03/13,104,081.70 - Step 6: Final answer
x = 17,861,032.95
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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.