Finding the Fourth Proportional to 15,734,542.14, 21,713,617.35 and 8,859,054.78
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Solution
The fourth proportional to 15,734,542.14, 21,713,617.35 and 8,859,054.78 is: 12,225,466.99
Step by Step Solution
- Step 1: Write the proportion equation
15,734,542.14 : 21,713,617.35 = 8,859,054.78 : x - Step 2: Convert to fraction form
15,734,542.14/21,713,617.35 = 8,859,054.78/x - Step 3: Cross multiply
15,734,542.14x = 21,713,617.35 × 8,859,054.78 - Step 4: Simplify right side
15,734,542.14x = 192,362,125,575,608.44 - Step 5: Solve for x
x = 192,362,125,575,608.44/15,734,542.14 - Step 6: Final answer
x = 12,225,466.99
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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.