Finding the Fourth Proportional to 26,912,018.97, 37,187,166.42 and 19,163,609.19
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Solution
The fourth proportional to 26,912,018.97, 37,187,166.42 and 19,163,609.19 is: 26,480,373.88
Step by Step Solution
- Step 1: Write the proportion equation
26,912,018.97 : 37,187,166.42 = 19,163,609.19 : x - Step 2: Convert to fraction form
26,912,018.97/37,187,166.42 = 19,163,609.19/x - Step 3: Cross multiply
26,912,018.97x = 37,187,166.42 × 19,163,609.19 - Step 4: Simplify right side
26,912,018.97x = 712,640,324,156,371.50 - Step 5: Solve for x
x = 712,640,324,156,371.50/26,912,018.97 - Step 6: Final answer
x = 26,480,373.88
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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.