Finding the Fourth Proportional to 19,160,806.08, 28,749,101.60 and 14,069,236.80
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Solution
The fourth proportional to 19,160,806.08, 28,749,101.60 and 14,069,236.80 is: 21,109,650.42
Step by Step Solution
- Step 1: Write the proportion equation
19,160,806.08 : 28,749,101.60 = 14,069,236.80 : x - Step 2: Convert to fraction form
19,160,806.08/28,749,101.60 = 14,069,236.80/x - Step 3: Cross multiply
19,160,806.08x = 28,749,101.60 × 14,069,236.80 - Step 4: Simplify right side
19,160,806.08x = 404,477,918,197,658.94 - Step 5: Solve for x
x = 404,477,918,197,658.94/19,160,806.08 - Step 6: Final answer
x = 21,109,650.42
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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.