Finding the Fourth Proportional to 39,176,563.20, 58,764,844.80 and 23,251,315.20
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Solution
The fourth proportional to 39,176,563.20, 58,764,844.80 and 23,251,315.20 is: 34,876,972.80
Step by Step Solution
- Step 1: Write the proportion equation
39,176,563.20 : 58,764,844.80 = 23,251,315.20 : x - Step 2: Convert to fraction form
39,176,563.20/58,764,844.80 = 23,251,315.20/x - Step 3: Cross multiply
39,176,563.20x = 58,764,844.80 × 23,251,315.20 - Step 4: Simplify right side
39,176,563.20x = 1,366,359,929,123,880.75 - Step 5: Solve for x
x = 1,366,359,929,123,880.75/39,176,563.20 - Step 6: Final answer
x = 34,876,972.80
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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.