Finding the Fourth Proportional to 28,377,277.44, 39,160,642.20 and 15,324,535.29
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Solution
The fourth proportional to 28,377,277.44, 39,160,642.20 and 15,324,535.29 is: 21,147,858.34
Step by Step Solution
- Step 1: Write the proportion equation
28,377,277.44 : 39,160,642.20 = 15,324,535.29 : x - Step 2: Convert to fraction form
28,377,277.44/39,160,642.20 = 15,324,535.29/x - Step 3: Cross multiply
28,377,277.44x = 39,160,642.20 × 15,324,535.29 - Step 4: Simplify right side
28,377,277.44x = 600,118,643,372,963.25 - Step 5: Solve for x
x = 600,118,643,372,963.25/28,377,277.44 - Step 6: Final answer
x = 21,147,858.34
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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.