Finding the Fourth Proportional to 19,750,899.06, 27,245,266.92 and 11,490,031.44
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Solution
The fourth proportional to 19,750,899.06, 27,245,266.92 and 11,490,031.44 is: 15,849,859.42
Step by Step Solution
- Step 1: Write the proportion equation
19,750,899.06 : 27,245,266.92 = 11,490,031.44 : x - Step 2: Convert to fraction form
19,750,899.06/27,245,266.92 = 11,490,031.44/x - Step 3: Cross multiply
19,750,899.06x = 27,245,266.92 × 11,490,031.44 - Step 4: Simplify right side
19,750,899.06x = 313,048,973,501,992 - Step 5: Solve for x
x = 313,048,973,501,992/19,750,899.06 - Step 6: Final answer
x = 15,849,859.42
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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.