Finding the Fourth Proportional to 19,481,450.24, 26,884,228.14 and 11,640,536.74
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Solution
The fourth proportional to 19,481,450.24, 26,884,228.14 and 11,640,536.74 is: 16,063,837.22
Step by Step Solution
- Step 1: Write the proportion equation
19,481,450.24 : 26,884,228.14 = 11,640,536.74 : x - Step 2: Convert to fraction form
19,481,450.24/26,884,228.14 = 11,640,536.74/x - Step 3: Cross multiply
19,481,450.24x = 26,884,228.14 × 11,640,536.74 - Step 4: Simplify right side
19,481,450.24x = 312,946,845,390,211.88 - Step 5: Solve for x
x = 312,946,845,390,211.88/19,481,450.24 - Step 6: Final answer
x = 16,063,837.22
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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.