Finding the Fourth Proportional to 27,485,981.06, 41,219,815.35 and 11,087,029.94
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Solution
The fourth proportional to 27,485,981.06, 41,219,815.35 and 11,087,029.94 is: 16,626,851.55
Step by Step Solution
- Step 1: Write the proportion equation
27,485,981.06 : 41,219,815.35 = 11,087,029.94 : x - Step 2: Convert to fraction form
27,485,981.06/41,219,815.35 = 11,087,029.94/x - Step 3: Cross multiply
27,485,981.06x = 41,219,815.35 × 11,087,029.94 - Step 4: Simplify right side
27,485,981.06x = 457,005,326,906,721.56 - Step 5: Solve for x
x = 457,005,326,906,721.56/27,485,981.06 - Step 6: Final answer
x = 16,626,851.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.