Finding the Fourth Proportional to 18,990,418.96, 26,206,804.08 and 10,288,592
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Solution
The fourth proportional to 18,990,418.96, 26,206,804.08 and 10,288,592 is: 14,198,271.00
Step by Step Solution
- Step 1: Write the proportion equation
18,990,418.96 : 26,206,804.08 = 10,288,592 : x - Step 2: Convert to fraction form
18,990,418.96/26,206,804.08 = 10,288,592/x - Step 3: Cross multiply
18,990,418.96x = 26,206,804.08 × 10,288,592 - Step 4: Simplify right side
18,990,418.96x = 269,631,114,803,055.34 - Step 5: Solve for x
x = 269,631,114,803,055.34/18,990,418.96 - Step 6: Final answer
x = 14,198,271.00
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1.5x scale
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.