Finding the Fourth Proportional to 18,964,955.64, 26,171,703.50 and 10,263,125.94
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Solution
The fourth proportional to 18,964,955.64, 26,171,703.50 and 10,263,125.94 is: 14,163,148.82
Step by Step Solution
- Step 1: Write the proportion equation
18,964,955.64 : 26,171,703.50 = 10,263,125.94 : x - Step 2: Convert to fraction form
18,964,955.64/26,171,703.50 = 10,263,125.94/x - Step 3: Cross multiply
18,964,955.64x = 26,171,703.50 × 10,263,125.94 - Step 4: Simplify right side
18,964,955.64x = 268,603,489,033,523.16 - Step 5: Solve for x
x = 268,603,489,033,523.16/18,964,955.64 - Step 6: Final answer
x = 14,163,148.82
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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.