Finding the Fourth Proportional to 31,771,455.36, 47,651,087.84 and 12,340,659.84
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Solution
The fourth proportional to 31,771,455.36, 47,651,087.84 and 12,340,659.84 is: 18,508,622.26
Step by Step Solution
- Step 1: Write the proportion equation
31,771,455.36 : 47,651,087.84 = 12,340,659.84 : x - Step 2: Convert to fraction form
31,771,455.36/47,651,087.84 = 12,340,659.84/x - Step 3: Cross multiply
31,771,455.36x = 47,651,087.84 × 12,340,659.84 - Step 4: Simplify right side
31,771,455.36x = 588,045,866,039,400.38 - Step 5: Solve for x
x = 588,045,866,039,400.38/31,771,455.36 - Step 6: Final answer
x = 18,508,622.26
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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.