Finding the Fourth Proportional to 20,713,410.07, 31,068,988.84 and 6,336,477.88
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Solution
The fourth proportional to 20,713,410.07, 31,068,988.84 and 6,336,477.88 is: 9,504,372.28
Step by Step Solution
- Step 1: Write the proportion equation
20,713,410.07 : 31,068,988.84 = 6,336,477.88 : x - Step 2: Convert to fraction form
20,713,410.07/31,068,988.84 = 6,336,477.88/x - Step 3: Cross multiply
20,713,410.07x = 31,068,988.84 × 6,336,477.88 - Step 4: Simplify right side
20,713,410.07x = 196,867,960,538,626.84 - Step 5: Solve for x
x = 196,867,960,538,626.84/20,713,410.07 - Step 6: Final answer
x = 9,504,372.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.