Finding the Fourth Proportional to 37,276,181.19, 51,440,639.60 and 20,530,599.21
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Solution
The fourth proportional to 37,276,181.19, 51,440,639.60 and 20,530,599.21 is: 28,331,956.79
Step by Step Solution
- Step 1: Write the proportion equation
37,276,181.19 : 51,440,639.60 = 20,530,599.21 : x - Step 2: Convert to fraction form
37,276,181.19/51,440,639.60 = 20,530,599.21/x - Step 3: Cross multiply
37,276,181.19x = 51,440,639.60 × 20,530,599.21 - Step 4: Simplify right side
37,276,181.19x = 1,056,107,154,784,981.25 - Step 5: Solve for x
x = 1,056,107,154,784,981.25/37,276,181.19 - Step 6: Final answer
x = 28,331,956.79
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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.