Finding the Fourth Proportional to 20,171,622.92, 27,833,032.50 and 12,023,619.08
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Solution
The fourth proportional to 20,171,622.92, 27,833,032.50 and 12,023,619.08 is: 16,590,325.03
Step by Step Solution
- Step 1: Write the proportion equation
20,171,622.92 : 27,833,032.50 = 12,023,619.08 : x - Step 2: Convert to fraction form
20,171,622.92/27,833,032.50 = 12,023,619.08/x - Step 3: Cross multiply
20,171,622.92x = 27,833,032.50 × 12,023,619.08 - Step 4: Simplify right side
20,171,622.92x = 334,653,780,621,260.12 - Step 5: Solve for x
x = 334,653,780,621,260.12/20,171,622.92 - Step 6: Final answer
x = 16,590,325.03
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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.