Finding the Fourth Proportional to 21,963,734.74, 30,309,901.68 and 12,040,599.97
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Solution
The fourth proportional to 21,963,734.74, 30,309,901.68 and 12,040,599.97 is: 16,615,999.31
Step by Step Solution
- Step 1: Write the proportion equation
21,963,734.74 : 30,309,901.68 = 12,040,599.97 : x - Step 2: Convert to fraction form
21,963,734.74/30,309,901.68 = 12,040,599.97/x - Step 3: Cross multiply
21,963,734.74x = 30,309,901.68 × 12,040,599.97 - Step 4: Simplify right side
21,963,734.74x = 364,949,401,258,910.94 - Step 5: Solve for x
x = 364,949,401,258,910.94/21,963,734.74 - Step 6: Final answer
x = 16,615,999.31
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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.