Finding the Fourth Proportional to 29,818,534.50, 41,149,646.64 and 16,765,906.14
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Solution
The fourth proportional to 29,818,534.50, 41,149,646.64 and 16,765,906.14 is: 23,136,989.29
Step by Step Solution
- Step 1: Write the proportion equation
29,818,534.50 : 41,149,646.64 = 16,765,906.14 : x - Step 2: Convert to fraction form
29,818,534.50/41,149,646.64 = 16,765,906.14/x - Step 3: Cross multiply
29,818,534.50x = 41,149,646.64 × 16,765,906.14 - Step 4: Simplify right side
29,818,534.50x = 689,911,113,260,406.38 - Step 5: Solve for x
x = 689,911,113,260,406.38/29,818,534.50 - Step 6: Final answer
x = 23,136,989.29
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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.