Finding the Fourth Proportional to 38,972,955.70, 54,651,717.50 and 38,972,955.70
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Solution
The fourth proportional to 38,972,955.70, 54,651,717.50 and 38,972,955.70 is: 54,651,717.50
Step by Step Solution
- Step 1: Write the proportion equation
38,972,955.70 : 54,651,717.50 = 38,972,955.70 : x - Step 2: Convert to fraction form
38,972,955.70/54,651,717.50 = 38,972,955.70/x - Step 3: Cross multiply
38,972,955.70x = 54,651,717.50 × 38,972,955.70 - Step 4: Simplify right side
38,972,955.70x = 2,129,938,965,056,415 - Step 5: Solve for x
x = 2,129,938,965,056,415/38,972,955.70 - Step 6: Final answer
x = 54,651,717.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.