Finding the Fourth Proportional to 19,010,603.22, 26,237,991.33 and 11,170,113.92
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Solution
The fourth proportional to 19,010,603.22, 26,237,991.33 and 11,170,113.92 is: 15,416,730.79
Step by Step Solution
- Step 1: Write the proportion equation
19,010,603.22 : 26,237,991.33 = 11,170,113.92 : x - Step 2: Convert to fraction form
19,010,603.22/26,237,991.33 = 11,170,113.92/x - Step 3: Cross multiply
19,010,603.22x = 26,237,991.33 × 11,170,113.92 - Step 4: Simplify right side
19,010,603.22x = 293,081,352,056,882.31 - Step 5: Solve for x
x = 293,081,352,056,882.31/19,010,603.22 - Step 6: Final answer
x = 15,416,730.79
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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.