Finding the Fourth Proportional to 21,440,134.44, 32,161,601.34 and 15,700,046.76
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Solution
The fourth proportional to 21,440,134.44, 32,161,601.34 and 15,700,046.76 is: 23,551,095.09
Step by Step Solution
- Step 1: Write the proportion equation
21,440,134.44 : 32,161,601.34 = 15,700,046.76 : x - Step 2: Convert to fraction form
21,440,134.44/32,161,601.34 = 15,700,046.76/x - Step 3: Cross multiply
21,440,134.44x = 32,161,601.34 × 15,700,046.76 - Step 4: Simplify right side
21,440,134.44x = 504,938,645,071,139.88 - Step 5: Solve for x
x = 504,938,645,071,139.88/21,440,134.44 - Step 6: Final answer
x = 23,551,095.09
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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.