Finding the Fourth Proportional to 18,290,983.92, 27,436,487.76 and 4,645,153.68
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Solution
The fourth proportional to 18,290,983.92, 27,436,487.76 and 4,645,153.68 is: 6,967,733.54
Step by Step Solution
- Step 1: Write the proportion equation
18,290,983.92 : 27,436,487.76 = 4,645,153.68 : x - Step 2: Convert to fraction form
18,290,983.92/27,436,487.76 = 4,645,153.68/x - Step 3: Cross multiply
18,290,983.92x = 27,436,487.76 × 4,645,153.68 - Step 4: Simplify right side
18,290,983.92x = 127,446,702,084,638.95 - Step 5: Solve for x
x = 127,446,702,084,638.95/18,290,983.92 - Step 6: Final answer
x = 6,967,733.54
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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.