Finding the Fourth Proportional to 14,641,867.26, 20,206,987.38 and 8,117,544.06
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Solution
The fourth proportional to 14,641,867.26, 20,206,987.38 and 8,117,544.06 is: 11,202,881.95
Step by Step Solution
- Step 1: Write the proportion equation
14,641,867.26 : 20,206,987.38 = 8,117,544.06 : x - Step 2: Convert to fraction form
14,641,867.26/20,206,987.38 = 8,117,544.06/x - Step 3: Cross multiply
14,641,867.26x = 20,206,987.38 × 8,117,544.06 - Step 4: Simplify right side
14,641,867.26x = 164,031,110,377,013.94 - Step 5: Solve for x
x = 164,031,110,377,013.94/14,641,867.26 - Step 6: Final answer
x = 11,202,881.95
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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.