Finding the Fourth Proportional to 27,306,396.68, 40,959,314.48 and 15,784,532.63
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Solution
The fourth proportional to 27,306,396.68, 40,959,314.48 and 15,784,532.63 is: 23,676,636.78
Step by Step Solution
- Step 1: Write the proportion equation
27,306,396.68 : 40,959,314.48 = 15,784,532.63 : x - Step 2: Convert to fraction form
27,306,396.68/40,959,314.48 = 15,784,532.63/x - Step 3: Cross multiply
27,306,396.68x = 40,959,314.48 × 15,784,532.63 - Step 4: Simplify right side
27,306,396.68x = 646,523,635,935,467.12 - Step 5: Solve for x
x = 646,523,635,935,467.12/27,306,396.68 - Step 6: Final answer
x = 23,676,636.78
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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.