Finding the Fourth Proportional to 19,842,134.67, 27,375,968.27 and 11,466,453.08
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Solution
The fourth proportional to 19,842,134.67, 27,375,968.27 and 11,466,453.08 is: 15,820,135.33
Step by Step Solution
- Step 1: Write the proportion equation
19,842,134.67 : 27,375,968.27 = 11,466,453.08 : x - Step 2: Convert to fraction form
19,842,134.67/27,375,968.27 = 11,466,453.08/x - Step 3: Cross multiply
19,842,134.67x = 27,375,968.27 × 11,466,453.08 - Step 4: Simplify right side
19,842,134.67x = 313,905,255,687,523.75 - Step 5: Solve for x
x = 313,905,255,687,523.75/19,842,134.67 - Step 6: Final answer
x = 15,820,135.33
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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.