Finding the Fourth Proportional to 21,767,257.02, 32,650,880.67 and 7,935,252.75
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Solution
The fourth proportional to 21,767,257.02, 32,650,880.67 and 7,935,252.75 is: 11,902,877.35
Step by Step Solution
- Step 1: Write the proportion equation
21,767,257.02 : 32,650,880.67 = 7,935,252.75 : x - Step 2: Convert to fraction form
21,767,257.02/32,650,880.67 = 7,935,252.75/x - Step 3: Cross multiply
21,767,257.02x = 32,650,880.67 × 7,935,252.75 - Step 4: Simplify right side
21,767,257.02x = 259,092,990,466,487.66 - Step 5: Solve for x
x = 259,092,990,466,487.66/21,767,257.02 - Step 6: Final answer
x = 11,902,877.35
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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.