Finding the Fourth Proportional to 31,215,487.84, 46,840,368.84 and 15,864,101.56
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Solution
The fourth proportional to 31,215,487.84, 46,840,368.84 and 15,864,101.56 is: 23,804,861.62
Step by Step Solution
- Step 1: Write the proportion equation
31,215,487.84 : 46,840,368.84 = 15,864,101.56 : x - Step 2: Convert to fraction form
31,215,487.84/46,840,368.84 = 15,864,101.56/x - Step 3: Cross multiply
31,215,487.84x = 46,840,368.84 × 15,864,101.56 - Step 4: Simplify right side
31,215,487.84x = 743,080,368,385,619.50 - Step 5: Solve for x
x = 743,080,368,385,619.50/31,215,487.84 - Step 6: Final answer
x = 23,804,861.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.