Finding the Fourth Proportional to 25,440,583.68, 38,160,486.72 and 10,283,760
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Solution
The fourth proportional to 25,440,583.68, 38,160,486.72 and 10,283,760 is: 15,425,482.84
Step by Step Solution
- Step 1: Write the proportion equation
25,440,583.68 : 38,160,486.72 = 10,283,760 : x - Step 2: Convert to fraction form
25,440,583.68/38,160,486.72 = 10,283,760/x - Step 3: Cross multiply
25,440,583.68x = 38,160,486.72 × 10,283,760 - Step 4: Simplify right side
25,440,583.68x = 392,433,286,911,667.19 - Step 5: Solve for x
x = 392,433,286,911,667.19/25,440,583.68 - Step 6: Final answer
x = 15,425,482.84
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1.5x scale
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.