Finding the Fourth Proportional to 21,625,827.66, 32,437,888.56 and 7,973,071.92
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Solution
The fourth proportional to 21,625,827.66, 32,437,888.56 and 7,973,071.92 is: 11,959,293.42
Step by Step Solution
- Step 1: Write the proportion equation
21,625,827.66 : 32,437,888.56 = 7,973,071.92 : x - Step 2: Convert to fraction form
21,625,827.66/32,437,888.56 = 7,973,071.92/x - Step 3: Cross multiply
21,625,827.66x = 32,437,888.56 × 7,973,071.92 - Step 4: Simplify right side
21,625,827.66x = 258,629,618,421,825.22 - Step 5: Solve for x
x = 258,629,618,421,825.22/21,625,827.66 - Step 6: Final answer
x = 11,959,293.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.