Finding the Fourth Proportional to 19,603,380.48, 27,048,700.80 and 11,453,043.84
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Solution
The fourth proportional to 19,603,380.48, 27,048,700.80 and 11,453,043.84 is: 15,802,884.43
Step by Step Solution
- Step 1: Write the proportion equation
19,603,380.48 : 27,048,700.80 = 11,453,043.84 : x - Step 2: Convert to fraction form
19,603,380.48/27,048,700.80 = 11,453,043.84/x - Step 3: Cross multiply
19,603,380.48x = 27,048,700.80 × 11,453,043.84 - Step 4: Simplify right side
19,603,380.48x = 309,789,956,077,443.06 - Step 5: Solve for x
x = 309,789,956,077,443.06/19,603,380.48 - Step 6: Final answer
x = 15,802,884.43
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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.