Finding the Fourth Proportional to 18,088,785.64, 24,963,916.26 and 10,356,262.12
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Solution
The fourth proportional to 18,088,785.64, 24,963,916.26 and 10,356,262.12 is: 14,292,438.72
Step by Step Solution
- Step 1: Write the proportion equation
18,088,785.64 : 24,963,916.26 = 10,356,262.12 : x - Step 2: Convert to fraction form
18,088,785.64/24,963,916.26 = 10,356,262.12/x - Step 3: Cross multiply
18,088,785.64x = 24,963,916.26 × 10,356,262.12 - Step 4: Simplify right side
18,088,785.64x = 258,532,860,330,290.06 - Step 5: Solve for x
x = 258,532,860,330,290.06/18,088,785.64 - Step 6: Final answer
x = 14,292,438.72
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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.