Finding the Fourth Proportional to 15,404,670.99, 21,259,110.11 and 8,529,152.85
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Solution
The fourth proportional to 15,404,670.99, 21,259,110.11 and 8,529,152.85 is: 11,770,598.65
Step by Step Solution
- Step 1: Write the proportion equation
15,404,670.99 : 21,259,110.11 = 8,529,152.85 : x - Step 2: Convert to fraction form
15,404,670.99/21,259,110.11 = 8,529,152.85/x - Step 3: Cross multiply
15,404,670.99x = 21,259,110.11 × 8,529,152.85 - Step 4: Simplify right side
15,404,670.99x = 181,322,199,540,524.53 - Step 5: Solve for x
x = 181,322,199,540,524.53/15,404,670.99 - Step 6: Final answer
x = 11,770,598.65
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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.