Finding the Fourth Proportional to 22,816,431, 31,486,675.14 and 12,503,559.96
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Solution
The fourth proportional to 22,816,431, 31,486,675.14 and 12,503,559.96 is: 17,254,912.94
Step by Step Solution
- Step 1: Write the proportion equation
22,816,431 : 31,486,675.14 = 12,503,559.96 : x - Step 2: Convert to fraction form
22,816,431/31,486,675.14 = 12,503,559.96/x - Step 3: Cross multiply
22,816,431x = 31,486,675.14 × 12,503,559.96 - Step 4: Simplify right side
22,816,431x = 393,695,530,554,031.44 - Step 5: Solve for x
x = 393,695,530,554,031.44/22,816,431 - Step 6: Final answer
x = 17,254,912.94
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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.