Finding the Fourth Proportional to 27,883,078.84, 38,476,961.99 and 15,492,748.60
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Solution
The fourth proportional to 27,883,078.84, 38,476,961.99 and 15,492,748.60 is: 21,379,055.82
Step by Step Solution
- Step 1: Write the proportion equation
27,883,078.84 : 38,476,961.99 = 15,492,748.60 : x - Step 2: Convert to fraction form
27,883,078.84/38,476,961.99 = 15,492,748.60/x - Step 3: Cross multiply
27,883,078.84x = 38,476,961.99 × 15,492,748.60 - Step 4: Simplify right side
27,883,078.84x = 596,113,898,810,441 - Step 5: Solve for x
x = 596,113,898,810,441/27,883,078.84 - Step 6: Final answer
x = 21,379,055.82
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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.