Finding the Fourth Proportional to 19,153,149.72, 26,431,413.39 and 10,451,514.12
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Solution
The fourth proportional to 19,153,149.72, 26,431,413.39 and 10,451,514.12 is: 14,423,125.92
Step by Step Solution
- Step 1: Write the proportion equation
19,153,149.72 : 26,431,413.39 = 10,451,514.12 : x - Step 2: Convert to fraction form
19,153,149.72/26,431,413.39 = 10,451,514.12/x - Step 3: Cross multiply
19,153,149.72x = 26,431,413.39 × 10,451,514.12 - Step 4: Simplify right side
19,153,149.72x = 276,248,290,257,142.06 - Step 5: Solve for x
x = 276,248,290,257,142.06/19,153,149.72 - Step 6: Final answer
x = 14,423,125.92
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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.