Finding the Fourth Proportional to 51,903,861.84, 71,624,439 and 28,697,595.12
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Solution
The fourth proportional to 51,903,861.84, 71,624,439 and 28,697,595.12 is: 39,601,083.20
Step by Step Solution
- Step 1: Write the proportion equation
51,903,861.84 : 71,624,439 = 28,697,595.12 : x - Step 2: Convert to fraction form
51,903,861.84/71,624,439 = 28,697,595.12/x - Step 3: Cross multiply
51,903,861.84x = 71,624,439 × 28,697,595.12 - Step 4: Simplify right side
51,903,861.84x = 2,055,449,151,119,137.75 - Step 5: Solve for x
x = 2,055,449,151,119,137.75/51,903,861.84 - Step 6: Final answer
x = 39,601,083.20
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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.